1 | <?php |
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2 | /** |
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3 | * The Strangecode Codebase - a general application development framework for PHP |
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4 | * For details visit the project site: <http://trac.strangecode.com/codebase/> |
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5 | * Copyright 2001-2012 Strangecode, LLC |
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6 | * |
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7 | * This file is part of The Strangecode Codebase. |
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8 | * |
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9 | * The Strangecode Codebase is free software: you can redistribute it and/or |
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10 | * modify it under the terms of the GNU General Public License as published by the |
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11 | * Free Software Foundation, either version 3 of the License, or (at your option) |
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12 | * any later version. |
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13 | * |
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14 | * The Strangecode Codebase is distributed in the hope that it will be useful, but |
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15 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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17 | * details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License along with |
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20 | * The Strangecode Codebase. If not, see <http://www.gnu.org/licenses/>. |
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21 | */ |
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22 | |
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23 | /** |
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24 | * App.inc.php |
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25 | * |
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26 | * Primary application framework class. |
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27 | * |
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28 | * @author Quinn Comendant <quinn@strangecode.com> |
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29 | * @version 2.1 |
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30 | */ |
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31 | |
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32 | // Message Types. |
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33 | define('MSG_ERR', 1); |
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34 | define('MSG_ERROR', MSG_ERR); |
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35 | define('MSG_WARNING', 2); |
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36 | define('MSG_NOTICE', 4); |
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37 | define('MSG_SUCCESS', 8); |
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38 | define('MSG_ALL', MSG_SUCCESS | MSG_NOTICE | MSG_WARNING | MSG_ERROR); |
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39 | |
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40 | require_once dirname(__FILE__) . '/Utilities.inc.php'; |
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41 | |
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42 | class App |
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43 | { |
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44 | |
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45 | // Minimum version of PHP required for this version of the Codebase. |
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46 | const CODEBASE_MIN_PHP_VERSION = '5.3.0'; |
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47 | |
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48 | // A place to keep an object instance for the singleton pattern. |
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49 | protected static $instance = null; |
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50 | |
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51 | // Namespace of this application instance. |
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52 | protected $_ns; |
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53 | |
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54 | // If $app->start has run successfully. |
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55 | public $running = false; |
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56 | |
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57 | // Instance of database object. |
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58 | public $db; |
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59 | |
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60 | // Array of query arguments will be carried persistently between requests. |
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61 | protected $_carry_queries = array(); |
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62 | |
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63 | // Dictionary of global application parameters. |
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64 | protected $_params = array(); |
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65 | |
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66 | // Default parameters. |
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67 | protected $_param_defaults = array( |
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68 | |
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69 | // Public name and email address for this application. |
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70 | 'site_name' => null, |
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71 | 'site_email' => '', // Set to no-reply@HTTP_HOST if not set here. |
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72 | 'site_url' => '', // URL automatically determined by _SERVER['HTTP_HOST'] if not set here. |
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73 | 'images_path' => '', // Location for codebase-generated interface widgets (ex: "/admin/i"). |
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74 | 'site_version_file' => 'docs/version.txt', // File containing version number of this app, relative to the include path. |
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75 | |
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76 | // The location the user will go if the system doesn't know where else to send them. |
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77 | 'redirect_home_url' => '/', |
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78 | |
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79 | // SSL URL used when redirecting with $app->sslOn(). |
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80 | 'ssl_domain' => null, |
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81 | 'ssl_enabled' => false, |
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82 | |
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83 | // Use CSRF tokens. See notes in the getCSRFToken() method. |
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84 | 'csrf_token_enabled' => true, |
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85 | // Form tokens will expire after this duration, in seconds. |
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86 | 'csrf_token_timeout' => 259200, // 259200 seconds = 3 days. |
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87 | 'csrf_token_name' => 'csrf_token', |
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88 | |
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89 | // HMAC signing method |
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90 | 'signing_method' => 'sha512+base64', |
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91 | |
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92 | // Character set for page output. Used in the Content-Type header and the HTML <meta content-type> tag. |
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93 | 'character_set' => 'utf-8', |
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94 | |
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95 | // Human-readable format used to display dates. |
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96 | 'date_format' => 'd M Y', |
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97 | 'time_format' => 'h:i:s A', |
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98 | 'sql_date_format' => '%e %b %Y', |
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99 | 'sql_time_format' => '%k:%i', |
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100 | |
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101 | // Use php sessions? |
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102 | 'enable_session' => false, |
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103 | 'session_name' => '_session', |
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104 | 'session_use_cookies' => true, |
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105 | |
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106 | // Pass the session-id through URLs if cookies are not enabled? |
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107 | // Disable this to prevent session ID theft. |
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108 | 'session_use_trans_sid' => false, |
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109 | |
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110 | // Use database? |
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111 | 'enable_db' => false, |
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112 | |
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113 | // Use db-based sessions? |
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114 | 'enable_db_session_handler' => false, |
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115 | |
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116 | // DB passwords should be set as apache environment variables in httpd.conf, readable only by root. |
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117 | 'db_server' => 'localhost', |
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118 | 'db_name' => null, |
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119 | 'db_user' => null, |
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120 | 'db_pass' => null, |
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121 | |
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122 | // Database debugging. |
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123 | 'db_always_debug' => false, // TRUE = display all SQL queries. |
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124 | 'db_debug' => false, // TRUE = display db errors. |
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125 | 'db_die_on_failure' => false, // TRUE = script stops on db error. |
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126 | |
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127 | // For classes that require db tables, do we check that a table exists and create if missing? |
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128 | 'db_create_tables' => true, |
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129 | |
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130 | // The level of error reporting. Don't change this to suppress messages, instead use display_errors to control display. |
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131 | 'error_reporting' => E_ALL, |
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132 | |
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133 | // Don't display errors by default; it is preferable to log them to a file. For CLI scripts, set this to the string 'stderr'. |
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134 | 'display_errors' => false, |
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135 | |
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136 | // Directory in which to store log files. |
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137 | 'log_directory' => '', |
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138 | |
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139 | // PHP error log. |
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140 | 'php_error_log' => 'php_error_log', |
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141 | |
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142 | // General application log. |
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143 | 'log_filename' => 'app_log', |
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144 | |
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145 | // Don't email or SMS duplicate messages that happen more often than this value (in seconds). |
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146 | 'log_multiple_timeout' => 3600, // Hourly |
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147 | |
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148 | // Logging priority can be any of the following, or false to deactivate: |
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149 | // LOG_EMERG system is unusable |
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150 | // LOG_ALERT action must be taken immediately |
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151 | // LOG_CRIT critical conditions |
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152 | // LOG_ERR error conditions |
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153 | // LOG_WARNING warning conditions |
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154 | // LOG_NOTICE normal, but significant, condition |
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155 | // LOG_INFO informational message |
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156 | // LOG_DEBUG debug-level message |
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157 | 'log_file_priority' => LOG_INFO, |
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158 | 'log_email_priority' => false, |
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159 | 'log_sms_priority' => false, |
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160 | 'log_screen_priority' => false, |
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161 | |
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162 | // Email address to receive log event emails. Use multiple addresses by separating them with commas. |
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163 | 'log_to_email_address' => null, |
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164 | |
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165 | // SMS Email address to receive log event SMS messages. Use multiple addresses by separating them with commas. |
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166 | 'log_to_sms_address' => null, |
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167 | |
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168 | // Should we avoid logging repeated logMsg() events? You might want to set this false if you need to see more accurate logging, particularly for long-running scripts. |
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169 | 'log_ignore_repeated_events' => true, |
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170 | |
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171 | // Temporary files directory. |
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172 | 'tmp_dir' => '/tmp', |
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173 | |
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174 | // A key for calculating simple cryptographic signatures. Set using as an environment variables in the httpd.conf with 'SetEnv SIGNING_KEY <key>'. |
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175 | // Existing password hashes rely on the same key/salt being used to compare encryptions. |
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176 | // Don't change this unless you know existing hashes or signatures will not be affected! |
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177 | 'signing_key' => 'aae6abd6209d82a691a9f96384a7634a', |
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178 | ); |
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179 | |
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180 | /** |
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181 | * Constructor. |
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182 | */ |
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183 | public function __construct($namespace='') |
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184 | { |
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185 | // Set namespace of application instance. |
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186 | $this->_ns = $namespace; |
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187 | |
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188 | // Initialize default parameters. |
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189 | $this->_params = array_merge($this->_params, $this->_param_defaults); |
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190 | |
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191 | // Begin timing script. |
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192 | require_once dirname(__FILE__) . '/ScriptTimer.inc.php'; |
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193 | $this->timer = new ScriptTimer(); |
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194 | $this->timer->start('_app'); |
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195 | } |
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196 | |
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197 | /** |
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198 | * This method enforces the singleton pattern for this class. Only one application is running at a time. |
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199 | * |
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200 | * $param string $namespace Name of this application. |
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201 | * @return object Reference to the global Cache object. |
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202 | * @access public |
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203 | * @static |
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204 | */ |
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205 | public static function &getInstance($namespace='') |
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206 | { |
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207 | if (self::$instance === null) { |
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208 | // TODO: Yep, having a namespace with one singletone instance is not very useful. |
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209 | self::$instance = new self($namespace); |
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210 | } |
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211 | |
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212 | return self::$instance; |
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213 | } |
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214 | |
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215 | /** |
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216 | * Set (or overwrite existing) parameters by passing an array of new parameters. |
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217 | * |
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218 | * @access public |
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219 | * @param array $param Array of parameters (key => val pairs). |
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220 | */ |
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221 | public function setParam($param=null) |
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222 | { |
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223 | if (isset($param) && is_array($param)) { |
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224 | // Merge new parameters with old overriding only those passed. |
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225 | $this->_params = array_merge($this->_params, $param); |
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226 | |
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227 | if ($this->running) { |
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228 | // Params that require processing if changed during runtime. |
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229 | foreach ($param as $key => $val) { |
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230 | switch ($key) { |
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231 | case 'session_name': |
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232 | session_name($val); |
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233 | break; |
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234 | |
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235 | case 'session_use_cookies': |
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236 | ini_set('session.use_cookies', $val); |
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237 | break; |
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238 | |
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239 | case 'error_reporting': |
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240 | ini_set('error_reporting', $val); |
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241 | break; |
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242 | |
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243 | case 'display_errors': |
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244 | ini_set('display_errors', $val); |
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245 | break; |
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246 | |
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247 | case 'log_errors': |
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248 | ini_set('log_errors', true); |
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249 | break; |
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250 | |
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251 | case 'log_directory': |
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252 | if (is_dir($val) && is_writable($val)) { |
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253 | ini_set('error_log', $val . '/' . $this->getParam('php_error_log')); |
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254 | } |
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255 | break; |
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256 | } |
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257 | } |
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258 | } |
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259 | } |
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260 | } |
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261 | |
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262 | /** |
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263 | * Return the value of a parameter. |
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264 | * |
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265 | * @access public |
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266 | * @param string $param The key of the parameter to return. |
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267 | * @return mixed Parameter value, or null if not existing. |
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268 | */ |
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269 | public function getParam($param=null) |
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270 | { |
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271 | if ($param === null) { |
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272 | return $this->_params; |
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273 | } else if (array_key_exists($param, $this->_params)) { |
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274 | return $this->_params[$param]; |
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275 | } else { |
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276 | return null; |
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277 | } |
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278 | } |
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279 | |
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280 | /** |
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281 | * Begin running this application. |
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282 | * |
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283 | * @access public |
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284 | * @author Quinn Comendant <quinn@strangecode.com> |
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285 | * @since 15 Jul 2005 00:32:21 |
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286 | */ |
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287 | public function start() |
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288 | { |
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289 | if ($this->running) { |
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290 | return false; |
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291 | } |
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292 | |
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293 | // Error reporting. |
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294 | ini_set('error_reporting', $this->getParam('error_reporting')); |
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295 | ini_set('display_errors', $this->getParam('display_errors')); |
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296 | ini_set('log_errors', true); |
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297 | if (is_dir($this->getParam('log_directory')) && is_writable($this->getParam('log_directory'))) { |
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298 | ini_set('error_log', $this->getParam('log_directory') . '/' . $this->getParam('php_error_log')); |
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299 | } |
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300 | |
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301 | // Set character set to use for multi-byte string functions. |
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302 | mb_internal_encoding($this->getParam('character_set')); |
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303 | switch (mb_strtolower($this->getParam('character_set'))) { |
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304 | case 'utf-8' : |
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305 | mb_language('uni'); |
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306 | break; |
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307 | |
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308 | case 'iso-2022-jp' : |
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309 | mb_language('ja'); |
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310 | break; |
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311 | |
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312 | case 'iso-8859-1' : |
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313 | default : |
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314 | mb_language('en'); |
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315 | break; |
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316 | } |
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317 | |
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318 | /** |
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319 | * 1. Start Database. |
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320 | */ |
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321 | |
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322 | if (true === $this->getParam('enable_db')) { |
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323 | |
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324 | // DB connection parameters taken from environment variables in the httpd.conf file, readable only by root. |
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325 | if (!empty($_SERVER['DB_SERVER']) && !$this->getParam('db_server')) { |
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326 | $this->setParam(array('db_server' => $_SERVER['DB_SERVER'])); |
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327 | } |
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328 | if (!empty($_SERVER['DB_NAME']) && !$this->getParam('db_name')) { |
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329 | $this->setParam(array('db_name' => $_SERVER['DB_NAME'])); |
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330 | } |
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331 | if (!empty($_SERVER['DB_USER']) && !$this->getParam('db_user')) { |
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332 | $this->setParam(array('db_user' => $_SERVER['DB_USER'])); |
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333 | } |
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334 | if (!empty($_SERVER['DB_PASS']) && !$this->getParam('db_pass')) { |
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335 | $this->setParam(array('db_pass' => $_SERVER['DB_PASS'])); |
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336 | } |
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337 | |
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338 | // There will ever only be one instance of the DB object, and here is where it is instantiated. |
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339 | require_once dirname(__FILE__) . '/DB.inc.php'; |
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340 | $this->db =& DB::getInstance(); |
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341 | $this->db->setParam(array( |
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342 | 'db_server' => $this->getParam('db_server'), |
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343 | 'db_name' => $this->getParam('db_name'), |
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344 | 'db_user' => $this->getParam('db_user'), |
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345 | 'db_pass' => $this->getParam('db_pass'), |
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346 | 'db_always_debug' => $this->getParam('db_always_debug'), |
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347 | 'db_debug' => $this->getParam('db_debug'), |
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348 | 'db_die_on_failure' => $this->getParam('db_die_on_failure'), |
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349 | )); |
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350 | |
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351 | // Connect to database. |
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352 | $this->db->connect(); |
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353 | } |
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354 | |
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355 | |
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356 | /** |
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357 | * 2. Start PHP session. |
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358 | */ |
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359 | |
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360 | // Skip sessions if disabled or automatically skip if run in a CLI script. |
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361 | if (true === $this->getParam('enable_session') && !defined('_CLI')) { |
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362 | |
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363 | // Session parameters. |
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364 | ini_set('session.gc_probability', 1); |
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365 | ini_set('session.gc_divisor', 1000); |
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366 | ini_set('session.gc_maxlifetime', 43200); // 12 hours |
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367 | ini_set('session.use_cookies', $this->getParam('session_use_cookies')); |
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368 | ini_set('session.use_trans_sid', false); |
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369 | ini_set('session.entropy_file', '/dev/urandom'); |
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370 | ini_set('session.entropy_length', '512'); |
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371 | ini_set('session.cookie_httponly', true); |
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372 | session_name($this->getParam('session_name')); |
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373 | |
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374 | if (true === $this->getParam('enable_db_session_handler') && true === $this->getParam('enable_db')) { |
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375 | // Database session handling. |
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376 | require_once dirname(__FILE__) . '/DBSessionHandler.inc.php'; |
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377 | $db_save_handler = new DBSessionHandler($this->db, array( |
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378 | 'db_table' => 'session_tbl', |
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379 | 'create_table' => $this->getParam('db_create_tables'), |
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380 | )); |
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381 | } |
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382 | |
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383 | // Start the session. |
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384 | session_start(); |
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385 | |
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386 | if (!isset($_SESSION['_app'][$this->_ns])) { |
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387 | // Access session data using: $_SESSION['...']. |
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388 | // Initialize here _after_ session has started. |
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389 | $_SESSION['_app'][$this->_ns] = array( |
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390 | 'messages' => array(), |
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391 | 'boomerang' => array('url'), |
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392 | ); |
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393 | } |
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394 | } |
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395 | |
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396 | |
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397 | /** |
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398 | * 3. Misc setup. |
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399 | */ |
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400 | |
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401 | // Script URI will be something like http://host.name.tld (no ending slash) |
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402 | // and is used whenever a URL need be used to the current site. |
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403 | // Not available on cli scripts obviously. |
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404 | if (isset($_SERVER['HTTP_HOST']) && '' != $_SERVER['HTTP_HOST'] && '' == $this->getParam('site_url')) { |
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405 | $this->setParam(array('site_url' => sprintf('%s://%s', ('on' == getenv('HTTPS') ? 'https' : 'http'), getenv('HTTP_HOST')))); |
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406 | } |
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407 | |
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408 | // In case site_email isn't set, use something halfway presentable. |
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409 | if (isset($_SERVER['HTTP_HOST']) && '' != $_SERVER['HTTP_HOST'] && '' == $this->getParam('site_email')) { |
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410 | $this->setParam(array('site_email' => sprintf('no-reply@%s', getenv('HTTP_HOST')))); |
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411 | } |
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412 | |
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413 | // A key for calculating simple cryptographic signatures. |
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414 | if (isset($_SERVER['SIGNING_KEY'])) { |
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415 | $this->setParam(array('signing_key' => $_SERVER['SIGNING_KEY'])); |
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416 | } |
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417 | |
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418 | // Character set. This should also be printed in the html header template. |
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419 | if (!defined('_CLI')) { |
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420 | header('Content-type: text/html; charset=' . $this->getParam('character_set')); |
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421 | } |
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422 | |
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423 | // Set the version of the codebase we're using. |
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424 | $codebase_version_file = dirname(__FILE__) . '/../docs/version.txt'; |
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425 | $codebase_version = ''; |
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426 | if (is_readable($codebase_version_file) && !is_dir($codebase_version_file)) { |
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427 | $codebase_version = trim(file_get_contents($codebase_version_file)); |
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428 | $this->setParam(array('codebase_version' => $codebase_version)); |
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429 | if (!defined('_CLI')) { |
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430 | header('X-Codebase-Version: ' . $codebase_version); |
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431 | } |
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432 | } |
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433 | |
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434 | if (version_compare(PHP_VERSION, self::CODEBASE_MIN_PHP_VERSION, '<')) { |
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435 | $this->logMsg(sprintf('PHP %s required for Codebase %s, using %s; some things will break.', self::CODEBASE_MIN_PHP_VERSION, $codebase_version, PHP_VERSION), LOG_NOTICE, __FILE__, __LINE__); |
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436 | } |
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437 | |
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438 | // Set the application version if defined. |
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439 | if (false !== stream_resolve_include_path($this->getParam('site_version_file'))) { |
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440 | $site_version = trim(file_get_contents($this->getParam('site_version_file'), true)); |
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441 | $this->setParam(array('site_version' => $site_version)); |
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442 | if (!defined('_CLI')) { |
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443 | header('X-Site-Version: ' . $site_version); |
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444 | } |
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445 | } |
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446 | |
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447 | $this->running = true; |
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448 | } |
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449 | |
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450 | /** |
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451 | * Stop running this application. |
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452 | * |
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453 | * @access public |
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454 | * @author Quinn Comendant <quinn@strangecode.com> |
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455 | * @since 17 Jul 2005 17:20:18 |
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456 | */ |
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457 | public function stop() |
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458 | { |
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459 | session_write_close(); |
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460 | $this->running = false; |
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461 | $num_queries = 0; |
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462 | if (true === $this->getParam('enable_db')) { |
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463 | $num_queries = $this->db->numQueries(); |
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464 | $this->db->close(); |
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465 | } |
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466 | $mem_current = memory_get_usage(); |
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467 | $mem_peak = memory_get_peak_usage(); |
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468 | $this->timer->stop('_app'); |
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469 | $this->logMsg(sprintf('Script ended gracefully. Execution time: %s. Number of db queries: %s. Memory usage: %s. Peak memory: %s.', $this->timer->getTime('_app'), $num_queries, $mem_current, $mem_peak), LOG_DEBUG, __FILE__, __LINE__); |
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470 | } |
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471 | |
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472 | |
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473 | /** |
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474 | * Add a message to the session, which is printed in the header. |
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475 | * Just a simple way to print messages to the user. |
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476 | * |
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477 | * @access public |
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478 | * |
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479 | * @param string $message The text description of the message. |
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480 | * @param int $type The type of message: MSG_NOTICE, |
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481 | * MSG_SUCCESS, MSG_WARNING, or MSG_ERR. |
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482 | * @param string $file __FILE__. |
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483 | * @param string $line __LINE__. |
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484 | */ |
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485 | public function raiseMsg($message, $type=MSG_NOTICE, $file=null, $line=null) |
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486 | { |
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487 | $message = trim($message); |
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488 | |
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489 | if (!$this->running) { |
---|
490 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
491 | return false; |
---|
492 | } |
---|
493 | |
---|
494 | if ('' == trim($message)) { |
---|
495 | $this->logMsg(sprintf('Raised message is an empty string.', null), LOG_NOTICE, __FILE__, __LINE__); |
---|
496 | return false; |
---|
497 | } |
---|
498 | |
---|
499 | // Avoid duplicate full-stops.. |
---|
500 | $message = trim(preg_replace('/\.{2}$/', '.', $message)); |
---|
501 | |
---|
502 | // Save message in session under unique key to avoid duplicate messages. |
---|
503 | $msg_id = md5($type . $message); |
---|
504 | if (!isset($_SESSION['_app'][$this->_ns]['messages'][$msg_id])) { |
---|
505 | $_SESSION['_app'][$this->_ns]['messages'][$msg_id] = array( |
---|
506 | 'type' => $type, |
---|
507 | 'message' => $message, |
---|
508 | 'file' => $file, |
---|
509 | 'line' => $line, |
---|
510 | 'count' => (isset($_SESSION['_app'][$this->_ns]['messages'][$msg_id]['count']) ? (1 + $_SESSION['_app'][$this->_ns]['messages'][$msg_id]['count']) : 1) |
---|
511 | ); |
---|
512 | } |
---|
513 | |
---|
514 | if (!in_array($type, array(MSG_NOTICE, MSG_SUCCESS, MSG_WARNING, MSG_ERR))) { |
---|
515 | $this->logMsg(sprintf('Invalid MSG_* type: %s', $type), LOG_NOTICE, __FILE__, __LINE__); |
---|
516 | } |
---|
517 | } |
---|
518 | |
---|
519 | /** |
---|
520 | * Returns an array of the raised messages. |
---|
521 | * |
---|
522 | * @access public |
---|
523 | * @return array List of messages in FIFO order. |
---|
524 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
525 | * @since 21 Dec 2005 13:09:20 |
---|
526 | */ |
---|
527 | public function getRaisedMessages() |
---|
528 | { |
---|
529 | if (!$this->running) { |
---|
530 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
531 | return false; |
---|
532 | } |
---|
533 | return isset($_SESSION['_app'][$this->_ns]['messages']) ? $_SESSION['_app'][$this->_ns]['messages'] : array(); |
---|
534 | } |
---|
535 | |
---|
536 | /** |
---|
537 | * Resets the message list. |
---|
538 | * |
---|
539 | * @access public |
---|
540 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
541 | * @since 21 Dec 2005 13:21:54 |
---|
542 | */ |
---|
543 | public function clearRaisedMessages() |
---|
544 | { |
---|
545 | if (!$this->running) { |
---|
546 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
547 | return false; |
---|
548 | } |
---|
549 | |
---|
550 | $_SESSION['_app'][$this->_ns]['messages'] = array(); |
---|
551 | } |
---|
552 | |
---|
553 | /** |
---|
554 | * Prints the HTML for displaying raised messages. |
---|
555 | * |
---|
556 | * @param string $above Additional message to print above error messages (e.g. "Oops!"). |
---|
557 | * @param string $below Additional message to print below error messages (e.g. "Please fix and resubmit"). |
---|
558 | * @param string $print_gotohash_js Print a line of javascript that scrolls the browser window down to view any error messages. |
---|
559 | * @param string $hash The #hashtag to scroll to. |
---|
560 | * @access public |
---|
561 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
562 | * @since 15 Jul 2005 01:39:14 |
---|
563 | */ |
---|
564 | public function printRaisedMessages($above='', $below='', $print_gotohash_js=false, $hash='sc-msg') |
---|
565 | { |
---|
566 | |
---|
567 | if (!$this->running) { |
---|
568 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
569 | return false; |
---|
570 | } |
---|
571 | |
---|
572 | $messages = $this->getRaisedMessages(); |
---|
573 | if (!empty($messages)) { |
---|
574 | ?><div id="sc-msg" class="sc-msg"><?php |
---|
575 | if ('' != $above) { |
---|
576 | ?><div class="sc-above"><?php echo oTxt($above); ?></div><?php |
---|
577 | } |
---|
578 | foreach ($messages as $m) { |
---|
579 | if (error_reporting() > 0 && $this->getParam('display_errors') && isset($m['file']) && isset($m['line'])) { |
---|
580 | echo "\n<!-- [" . $m['file'] . ' : ' . $m['line'] . '] -->'; |
---|
581 | } |
---|
582 | switch ($m['type']) { |
---|
583 | case MSG_ERR: |
---|
584 | echo '<div data-alert class="sc-msg-error alert-box alert">' . $m['message'] . '<a href="#" class="close">×</a></div>'; |
---|
585 | break; |
---|
586 | |
---|
587 | case MSG_WARNING: |
---|
588 | echo '<div data-alert class="sc-msg-warning alert-box warning">' . $m['message'] . '<a href="#" class="close">×</a></div>'; |
---|
589 | break; |
---|
590 | |
---|
591 | case MSG_SUCCESS: |
---|
592 | echo '<div data-alert class="sc-msg-success alert-box success">' . $m['message'] . '<a href="#" class="close">×</a></div>'; |
---|
593 | break; |
---|
594 | |
---|
595 | case MSG_NOTICE: |
---|
596 | default: |
---|
597 | echo '<div data-alert class="sc-msg-notice alert-box info">' . $m['message'] . '<a href="#" class="close">×</a></div>'; |
---|
598 | break; |
---|
599 | } |
---|
600 | } |
---|
601 | if ('' != $below) { |
---|
602 | ?><div class="sc-below"><?php echo oTxt($below); ?></div><?php |
---|
603 | } |
---|
604 | ?></div><?php |
---|
605 | if ($print_gotohash_js) { |
---|
606 | ?> |
---|
607 | <script type="text/javascript"> |
---|
608 | /* <![CDATA[ */ |
---|
609 | window.location.hash = '#<?php echo urlencode($hash); ?>'; |
---|
610 | /* ]]> */ |
---|
611 | </script> |
---|
612 | <?php |
---|
613 | } |
---|
614 | } |
---|
615 | $this->clearRaisedMessages(); |
---|
616 | } |
---|
617 | |
---|
618 | /** |
---|
619 | * Logs messages to defined channels: file, email, sms, and screen. Repeated messages are |
---|
620 | * not repeated but printed once with count. Log events that match a sendable channel (email or SMS) |
---|
621 | * are sent once per 'log_multiple_timeout' setting (to avoid a flood of error emails). |
---|
622 | * |
---|
623 | * @access public |
---|
624 | * @param string $message The text description of the message. |
---|
625 | * @param int $priority The type of message priority (in descending order): |
---|
626 | * LOG_EMERG 0 system is unusable |
---|
627 | * LOG_ALERT 1 action must be taken immediately |
---|
628 | * LOG_CRIT 2 critical conditions |
---|
629 | * LOG_ERR 3 error conditions |
---|
630 | * LOG_WARNING 4 warning conditions |
---|
631 | * LOG_NOTICE 5 normal, but significant, condition |
---|
632 | * LOG_INFO 6 informational message |
---|
633 | * LOG_DEBUG 7 debug-level message |
---|
634 | * @param string $file The file where the log event occurs. |
---|
635 | * @param string $line The line of the file where the log event occurs. |
---|
636 | */ |
---|
637 | public function logMsg($message, $priority=LOG_INFO, $file=null, $line=null) |
---|
638 | { |
---|
639 | static $previous_events = array(); |
---|
640 | |
---|
641 | // If priority is not specified, assume the worst. |
---|
642 | if (!$this->logPriorityToString($priority)) { |
---|
643 | $this->logMsg(sprintf('Log priority %s not defined. (Message: %s)', $priority, $message), LOG_EMERG, $file, $line); |
---|
644 | $priority = LOG_EMERG; |
---|
645 | } |
---|
646 | |
---|
647 | // If log file is not specified, don't log to a file. |
---|
648 | if (!$this->getParam('log_directory') || !$this->getParam('log_filename') || !is_dir($this->getParam('log_directory')) || !is_writable($this->getParam('log_directory'))) { |
---|
649 | $this->setParam(array('log_file_priority' => false)); |
---|
650 | // We must use trigger_error to report this problem rather than calling $app->logMsg, which might lead to an infinite loop. |
---|
651 | trigger_error(sprintf('Codebase error: log directory (%s) not found or writable.', $this->getParam('log_directory')), E_USER_NOTICE); |
---|
652 | } |
---|
653 | |
---|
654 | // Before we get any further, let's see if ANY log events are configured to be reported. |
---|
655 | if ((false === $this->getParam('log_file_priority') || $priority > $this->getParam('log_file_priority')) |
---|
656 | && (false === $this->getParam('log_email_priority') || $priority > $this->getParam('log_email_priority')) |
---|
657 | && (false === $this->getParam('log_sms_priority') || $priority > $this->getParam('log_sms_priority')) |
---|
658 | && (false === $this->getParam('log_screen_priority') || $priority > $this->getParam('log_screen_priority'))) { |
---|
659 | // This event would not be recorded, skip it entirely. |
---|
660 | return false; |
---|
661 | } |
---|
662 | |
---|
663 | // Strip HTML tags except any with more than 7 characters because that's probably not a HTML tag, e.g. <email@address.com>. |
---|
664 | preg_match_all('/(<[^>\s]{7,})[^>]*>/', $message, $strip_tags_allow); |
---|
665 | $message = strip_tags(preg_replace('/\s+/', ' ', $message), (!empty($strip_tags_allow[1]) ? join('> ', $strip_tags_allow[1]) . '>' : null)); |
---|
666 | |
---|
667 | // Serialize multi-line messages. |
---|
668 | $message = preg_replace('/\s+/m', ' ', $message); |
---|
669 | |
---|
670 | // Store this event under a unique key, counting each time it occurs so that it only gets reported a limited number of times. |
---|
671 | $msg_id = md5($message . $priority . $file . $line); |
---|
672 | if ($this->getParam('log_ignore_repeated_events') && isset($previous_events[$msg_id])) { |
---|
673 | $previous_events[$msg_id]++; |
---|
674 | if ($previous_events[$msg_id] == 2) { |
---|
675 | $this->logMsg(sprintf('%s (Event repeated %s or more times)', $message, $previous_events[$msg_id]), $priority, $file, $line); |
---|
676 | } |
---|
677 | return false; |
---|
678 | } else { |
---|
679 | $previous_events[$msg_id] = 1; |
---|
680 | } |
---|
681 | |
---|
682 | // For email and SMS notification types use "lock" files to prevent sending email and SMS notices ad infinitum. |
---|
683 | if ((false !== $this->getParam('log_email_priority') && $priority <= $this->getParam('log_email_priority')) |
---|
684 | || (false !== $this->getParam('log_sms_priority') && $priority <= $this->getParam('log_sms_priority'))) { |
---|
685 | // This event will generate a "send" notification. Prepare lock file. |
---|
686 | $site_hash = md5(empty($_SERVER['SERVER_NAME']) ? $_SERVER['SCRIPT_FILENAME'] : $_SERVER['SERVER_NAME']); |
---|
687 | $lock_dir = $this->getParam('tmp_dir') . "/codebase_msgs_$site_hash/"; |
---|
688 | // Just use the file and line for the msg_id to limit the number of possible messages |
---|
689 | // (the message string itself shan't be used as it may contain innumerable combinations). |
---|
690 | $lock_file = $lock_dir . md5($file . ':' . $line); |
---|
691 | if (!is_dir($lock_dir)) { |
---|
692 | mkdir($lock_dir); |
---|
693 | } |
---|
694 | $send_notifications = true; |
---|
695 | if (is_file($lock_file)) { |
---|
696 | $msg_last_sent = filectime($lock_file); |
---|
697 | // Has this message been sent more recently than the timeout? |
---|
698 | if ((time() - $msg_last_sent) <= $this->getParam('log_multiple_timeout')) { |
---|
699 | // This message was already sent recently. |
---|
700 | $send_notifications = false; |
---|
701 | } else { |
---|
702 | // Timeout has expired; send notifications again and reset timeout. |
---|
703 | touch($lock_file); |
---|
704 | } |
---|
705 | } else { |
---|
706 | touch($lock_file); |
---|
707 | } |
---|
708 | } |
---|
709 | |
---|
710 | // Make sure to log in the system's locale. |
---|
711 | $locale = setlocale(LC_TIME, 0); |
---|
712 | setlocale(LC_TIME, 'C'); |
---|
713 | |
---|
714 | // Data to be stored for a log event. |
---|
715 | $event = array( |
---|
716 | 'date' => date('Y-m-d H:i:s'), |
---|
717 | 'remote ip' => getRemoteAddr(), |
---|
718 | 'pid' => getmypid(), |
---|
719 | 'type' => $this->logPriorityToString($priority), |
---|
720 | 'file:line' => "$file : $line", |
---|
721 | 'url' => mb_substr(isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '', 0, 1024), |
---|
722 | 'message' => $message |
---|
723 | ); |
---|
724 | // Here's a shortened version of event data. |
---|
725 | $event_short = $event; |
---|
726 | $event_short['url'] = truncate($event_short['url'], 120); |
---|
727 | |
---|
728 | // Restore original locale. |
---|
729 | setlocale(LC_TIME, $locale); |
---|
730 | |
---|
731 | // FILE ACTION |
---|
732 | if (false !== $this->getParam('log_file_priority') && $priority <= $this->getParam('log_file_priority')) { |
---|
733 | $event_str = '[' . join('] [', $event_short) . ']'; |
---|
734 | error_log(mb_substr($event_str, 0, 1024) . "\n", 3, $this->getParam('log_directory') . '/' . $this->getParam('log_filename')); |
---|
735 | } |
---|
736 | |
---|
737 | // EMAIL ACTION |
---|
738 | if (false !== $this->getParam('log_email_priority') && $priority <= $this->getParam('log_email_priority') && $send_notifications) { |
---|
739 | $hostname = (isset($_SERVER['HTTP_HOST']) && '' != $_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : php_uname('n'); |
---|
740 | $subject = sprintf('[%s %s] %s', $hostname, $event['type'], mb_substr($event['message'], 0, 64)); |
---|
741 | $email_msg = sprintf("A %s log event occurred on %s\n\n", $event['type'], $hostname); |
---|
742 | $headers = 'From: ' . $this->getParam('site_email'); |
---|
743 | foreach ($event as $k=>$v) { |
---|
744 | $email_msg .= sprintf("%-11s%s\n", $k, $v); |
---|
745 | } |
---|
746 | mb_send_mail($this->getParam('log_to_email_address'), $subject, $email_msg, $headers); |
---|
747 | } |
---|
748 | |
---|
749 | // SMS ACTION |
---|
750 | if (false !== $this->getParam('log_sms_priority') && $priority <= $this->getParam('log_sms_priority') && $send_notifications) { |
---|
751 | $hostname = (isset($_SERVER['HTTP_HOST']) && '' != $_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : php_uname('n'); |
---|
752 | $subject = sprintf('[%s %s]', $hostname, $priority); |
---|
753 | $sms_msg = sprintf('%s [%s:%s]', mb_substr($event_short['message'], 0, 64), basename($file), $line); |
---|
754 | $headers = 'From: ' . $this->getParam('site_email'); |
---|
755 | mb_send_mail($this->getParam('log_to_sms_address'), $subject, $sms_msg, $headers); |
---|
756 | } |
---|
757 | |
---|
758 | // SCREEN ACTION |
---|
759 | if (false !== $this->getParam('log_screen_priority') && $priority <= $this->getParam('log_screen_priority')) { |
---|
760 | file_put_contents('php://stderr', "[{$event['type']}] [{$event['message']}]\n", FILE_APPEND); |
---|
761 | } |
---|
762 | |
---|
763 | return true; |
---|
764 | } |
---|
765 | |
---|
766 | /** |
---|
767 | * Returns the string representation of a LOG_* integer constant. |
---|
768 | * |
---|
769 | * @param int $priority The LOG_* integer constant. |
---|
770 | * |
---|
771 | * @return The string representation of $priority. |
---|
772 | */ |
---|
773 | public function logPriorityToString($priority) { |
---|
774 | $priorities = array( |
---|
775 | LOG_EMERG => 'emergency', |
---|
776 | LOG_ALERT => 'alert', |
---|
777 | LOG_CRIT => 'critical', |
---|
778 | LOG_ERR => 'error', |
---|
779 | LOG_WARNING => 'warning', |
---|
780 | LOG_NOTICE => 'notice', |
---|
781 | LOG_INFO => 'info', |
---|
782 | LOG_DEBUG => 'debug' |
---|
783 | ); |
---|
784 | if (isset($priorities[$priority])) { |
---|
785 | return $priorities[$priority]; |
---|
786 | } else { |
---|
787 | return false; |
---|
788 | } |
---|
789 | } |
---|
790 | |
---|
791 | /** |
---|
792 | * Forcefully set a query argument even if one currently exists in the request. |
---|
793 | * Values in the _carry_queries array will be copied to URLs (via $app->url()) and |
---|
794 | * to hidden input values (via printHiddenSession()). |
---|
795 | * |
---|
796 | * @access public |
---|
797 | * @param mixed $query_key The key (or keys, as an array) of the query argument to save. |
---|
798 | * @param mixed $val The new value of the argument key. |
---|
799 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
800 | * @since 13 Oct 2007 11:34:51 |
---|
801 | */ |
---|
802 | public function setQuery($query_key, $val) |
---|
803 | { |
---|
804 | if (!is_array($query_key)) { |
---|
805 | $query_key = array($query_key); |
---|
806 | } |
---|
807 | foreach ($query_key as $k) { |
---|
808 | // Set the value of the specified query argument into the _carry_queries array. |
---|
809 | $this->_carry_queries[$k] = $val; |
---|
810 | } |
---|
811 | } |
---|
812 | |
---|
813 | /** |
---|
814 | * Specify which query arguments will be carried persistently between requests. |
---|
815 | * Values in the _carry_queries array will be copied to URLs (via $app->url()) and |
---|
816 | * to hidden input values (via printHiddenSession()). |
---|
817 | * |
---|
818 | * @access public |
---|
819 | * @param mixed $query_key The key (or keys, as an array) of the query argument to save. |
---|
820 | * @param mixed $default If the key is not available, set to this default value. |
---|
821 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
822 | * @since 14 Nov 2005 19:24:52 |
---|
823 | */ |
---|
824 | public function carryQuery($query_key, $default=false) |
---|
825 | { |
---|
826 | if (!is_array($query_key)) { |
---|
827 | $query_key = array($query_key); |
---|
828 | } |
---|
829 | foreach ($query_key as $k) { |
---|
830 | // If not already set, and there is a non-empty value provided in the request... |
---|
831 | if (!isset($this->_carry_queries[$k]) && false !== getFormData($k, $default)) { |
---|
832 | // Copy the value of the specified query argument into the _carry_queries array. |
---|
833 | $this->_carry_queries[$k] = getFormData($k, $default); |
---|
834 | $this->logMsg(sprintf('Carrying query: %s => %s', $k, truncate(getDump($this->_carry_queries[$k], true), 128, 'end')), LOG_DEBUG, __FILE__, __LINE__); |
---|
835 | } |
---|
836 | } |
---|
837 | } |
---|
838 | |
---|
839 | /** |
---|
840 | * dropQuery() is the opposite of carryQuery(). The specified value will not appear in |
---|
841 | * url()/ohref()/printHiddenSession() modified URLs unless explicitly written in. |
---|
842 | * |
---|
843 | * @access public |
---|
844 | * @param mixed $query_key The key (or keys, as an array) of the query argument to remove. |
---|
845 | * @param bool $unset Remove any values set in the request matching the given $query_key. |
---|
846 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
847 | * @since 18 Jun 2007 20:57:29 |
---|
848 | */ |
---|
849 | public function dropQuery($query_key, $unset=false) |
---|
850 | { |
---|
851 | if (!is_array($query_key)) { |
---|
852 | $query_key = array($query_key); |
---|
853 | } |
---|
854 | foreach ($query_key as $k) { |
---|
855 | if (array_key_exists($k, $this->_carry_queries)) { |
---|
856 | // Remove the value of the specified query argument from the _carry_queries array. |
---|
857 | $this->logMsg(sprintf('Dropping carried query: %s => %s', $k, $this->_carry_queries[$k]), LOG_DEBUG, __FILE__, __LINE__); |
---|
858 | unset($this->_carry_queries[$k]); |
---|
859 | } |
---|
860 | if ($unset && (isset($_REQUEST) && array_key_exists($k, $_REQUEST))) { |
---|
861 | unset($_REQUEST[$k], $_GET[$k], $_POST[$k], $_COOKIE[$k]); |
---|
862 | } |
---|
863 | } |
---|
864 | } |
---|
865 | |
---|
866 | /** |
---|
867 | * Outputs a fully qualified URL with a query of all the used (ie: not empty) |
---|
868 | * keys and values, including optional queries. This allows mindless retention |
---|
869 | * of query arguments across page requests. If cookies are not |
---|
870 | * used, the session id will be propagated in the URL. |
---|
871 | * |
---|
872 | * @param string $url The initial url |
---|
873 | * @param mixed $carry_args Additional url arguments to carry in the query, |
---|
874 | * or FALSE to prevent carrying queries. Can be any of the following formats: |
---|
875 | * array('key1', key2', key3') <-- to save these keys if in the form data. |
---|
876 | * array('key1'=>'value', key2'='value') <-- to set keys to default values if not present in form data. |
---|
877 | * false <-- To not carry any queries. If URL already has queries those will be retained. |
---|
878 | * |
---|
879 | * @param mixed $always_include_sid Always add the session id, even if using_trans_sid = true. This is required when |
---|
880 | * URL starts with http, since PHP using_trans_sid doesn't do those and also for |
---|
881 | * header('Location...') redirections. |
---|
882 | * |
---|
883 | * @param bool $include_csrf_token Set to true to include the csrf_token in the form. Only use this for forms with action="post" to prevent the token from being revealed in the URL. |
---|
884 | * @return string url with attached queries and, if not using cookies, the session id |
---|
885 | */ |
---|
886 | public function url($url, $carry_args=null, $always_include_sid=false, $include_csrf_token=false) |
---|
887 | { |
---|
888 | if (!$this->running) { |
---|
889 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
890 | return false; |
---|
891 | } |
---|
892 | |
---|
893 | if ($this->getParam('csrf_token_enabled') && $include_csrf_token) { |
---|
894 | // Include the csrf_token as a carried query argument. |
---|
895 | // This token can be validated upon form submission with $app->verifyCSRFToken() or $app->requireValidCSRFToken() |
---|
896 | $carry_args = is_array($carry_args) ? $carry_args : array(); |
---|
897 | $carry_args = array_merge($carry_args, array($this->getParam('csrf_token_name') => $this->getCSRFToken())); |
---|
898 | } |
---|
899 | |
---|
900 | // Get any provided query arguments to include in the final URL. |
---|
901 | // If FALSE is a provided here, DO NOT carry the queries. |
---|
902 | $do_carry_queries = true; |
---|
903 | $one_time_carry_queries = array(); |
---|
904 | if (!is_null($carry_args)) { |
---|
905 | if (is_array($carry_args) && !empty($carry_args)) { |
---|
906 | foreach ($carry_args as $key=>$arg) { |
---|
907 | // Get query from appropriate source. |
---|
908 | if (false === $arg) { |
---|
909 | $do_carry_queries = false; |
---|
910 | } else if (false !== getFormData($arg, false)) { |
---|
911 | $one_time_carry_queries[$arg] = getFormData($arg); // Set arg to form data if available. |
---|
912 | } else if (!is_numeric($key) && '' != $arg) { |
---|
913 | $one_time_carry_queries[$key] = getFormData($key, $arg); // Set to arg to default if specified (overwritten by form data). |
---|
914 | } |
---|
915 | } |
---|
916 | } else if (false !== getFormData($carry_args, false)) { |
---|
917 | $one_time_carry_queries[$carry_args] = getFormData($carry_args); |
---|
918 | } else if (false === $carry_args) { |
---|
919 | $do_carry_queries = false; |
---|
920 | } |
---|
921 | } |
---|
922 | |
---|
923 | // Get the first delimiter that is needed in the url. |
---|
924 | $delim = mb_strpos($url, '?') !== false ? ini_get('arg_separator.output') : '?'; |
---|
925 | |
---|
926 | $q = ''; |
---|
927 | if ($do_carry_queries) { |
---|
928 | // Join the global _carry_queries and local one_time_carry_queries. |
---|
929 | $query_args = urlEncodeArray(array_merge($this->_carry_queries, $one_time_carry_queries)); |
---|
930 | foreach ($query_args as $key=>$val) { |
---|
931 | // Check value is set and value does not already exist in the url. |
---|
932 | if (!preg_match('/[?&]' . preg_quote($key) . '=/', $url)) { |
---|
933 | $q .= $delim . $key . '=' . $val; |
---|
934 | $delim = ini_get('arg_separator.output'); |
---|
935 | } |
---|
936 | } |
---|
937 | } |
---|
938 | |
---|
939 | // Include the necessary SID if the following is true: |
---|
940 | // - no cookie in http request OR cookies disabled in App |
---|
941 | // - sessions are enabled |
---|
942 | // - the link stays on our site |
---|
943 | // - transparent SID propagation with session.use_trans_sid is not being used OR url begins with protocol (using_trans_sid has no effect here) |
---|
944 | // OR |
---|
945 | // - we must include the SID because we say so (it's used in a context where cookies will not be effective, ie. moving from http to https) |
---|
946 | // AND |
---|
947 | // - the SID is not already in the query. |
---|
948 | if ( |
---|
949 | ( |
---|
950 | ( |
---|
951 | ( |
---|
952 | !isset($_COOKIE[session_name()]) |
---|
953 | || !$this->getParam('session_use_cookies') |
---|
954 | ) |
---|
955 | && $this->getParam('session_use_trans_sid') |
---|
956 | && $this->getParam('enable_session') |
---|
957 | && isMyDomain($url) |
---|
958 | && ( |
---|
959 | !ini_get('session.use_trans_sid') |
---|
960 | || preg_match('!^(http|https)://!i', $url) |
---|
961 | ) |
---|
962 | ) |
---|
963 | || $always_include_sid |
---|
964 | ) |
---|
965 | && !preg_match('/[?&]' . preg_quote(session_name()) . '=/', $url) |
---|
966 | ) { |
---|
967 | $url .= $q . $delim . session_name() . '=' . session_id(); |
---|
968 | } else { |
---|
969 | $url .= $q; |
---|
970 | } |
---|
971 | |
---|
972 | return $url; |
---|
973 | } |
---|
974 | |
---|
975 | /** |
---|
976 | * Returns a HTML-friendly URL processed with $app->url and & replaced with & |
---|
977 | * |
---|
978 | * @access public |
---|
979 | * @param (see param reference for url() method) |
---|
980 | * @return string URL passed through $app->url() with ampersamds transformed to $amp; |
---|
981 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
982 | * @since 09 Dec 2005 17:58:45 |
---|
983 | */ |
---|
984 | public function oHREF($url, $carry_args=null, $always_include_sid=false, $include_csrf_token=false) |
---|
985 | { |
---|
986 | // Process the URL. |
---|
987 | $url = $this->url($url, $carry_args, $always_include_sid, $include_csrf_token); |
---|
988 | |
---|
989 | // Replace any & not followed by an html or unicode entity with its & equivalent. |
---|
990 | $url = preg_replace('/&(?![\w\d#]{1,10};)/', '&', $url); |
---|
991 | |
---|
992 | return $url; |
---|
993 | } |
---|
994 | |
---|
995 | /** |
---|
996 | * Prints a hidden form element with the PHPSESSID when cookies are not used, as well |
---|
997 | * as hidden form elements for GET_VARS that might be in use. |
---|
998 | * |
---|
999 | * @param mixed $carry_args Additional url arguments to carry in the query, |
---|
1000 | * or FALSE to prevent carrying queries. Can be any of the following formats: |
---|
1001 | * array('key1', key2', key3') <-- to save these keys if in the form data. |
---|
1002 | * array('key1'=>'value', key2'='value') <-- to set keys to default values if not present in form data. |
---|
1003 | * false <-- To not carry any queries. If URL already has queries those will be retained. |
---|
1004 | * @param bool $include_csrf_token Set to true to include the csrf_token in the form. Only use this for forms with action="post" to prevent the token from being revealed in the URL. |
---|
1005 | */ |
---|
1006 | public function printHiddenSession($carry_args=null, $include_csrf_token=false) |
---|
1007 | { |
---|
1008 | if (!$this->running) { |
---|
1009 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
1010 | return false; |
---|
1011 | } |
---|
1012 | |
---|
1013 | // Get any provided query arguments to include in the final hidden form data. |
---|
1014 | // If FALSE is a provided here, DO NOT carry the queries. |
---|
1015 | $do_carry_queries = true; |
---|
1016 | $one_time_carry_queries = array(); |
---|
1017 | if (!is_null($carry_args)) { |
---|
1018 | if (is_array($carry_args) && !empty($carry_args)) { |
---|
1019 | foreach ($carry_args as $key=>$arg) { |
---|
1020 | // Get query from appropriate source. |
---|
1021 | if (false === $arg) { |
---|
1022 | $do_carry_queries = false; |
---|
1023 | } else if (false !== getFormData($arg, false)) { |
---|
1024 | $one_time_carry_queries[$arg] = getFormData($arg); // Set arg to form data if available. |
---|
1025 | } else if (!is_numeric($key) && '' != $arg) { |
---|
1026 | $one_time_carry_queries[$key] = getFormData($key, $arg); // Set to arg to default if specified (overwritten by form data). |
---|
1027 | } |
---|
1028 | } |
---|
1029 | } else if (false !== getFormData($carry_args, false)) { |
---|
1030 | $one_time_carry_queries[$carry_args] = getFormData($carry_args); |
---|
1031 | } else if (false === $carry_args) { |
---|
1032 | $do_carry_queries = false; |
---|
1033 | } |
---|
1034 | } |
---|
1035 | |
---|
1036 | // For each existing request value, we create a hidden input to carry it through a form. |
---|
1037 | if ($do_carry_queries) { |
---|
1038 | // Join the global _carry_queries and local one_time_carry_queries. |
---|
1039 | // urlencode is not used here, not for form data! |
---|
1040 | $query_args = array_merge($this->_carry_queries, $one_time_carry_queries); |
---|
1041 | foreach ($query_args as $key => $val) { |
---|
1042 | if (is_array($val)) { |
---|
1043 | foreach ($val as $subval) { |
---|
1044 | printf('<input type="hidden" name="%s[]" value="%s" />', $key, $subval); |
---|
1045 | } |
---|
1046 | } else { |
---|
1047 | printf('<input type="hidden" name="%s" value="%s" />', $key, $val); |
---|
1048 | } |
---|
1049 | } |
---|
1050 | unset($query_args, $key, $val, $subval); |
---|
1051 | } |
---|
1052 | |
---|
1053 | // Include the SID if: |
---|
1054 | // * cookies are disabled |
---|
1055 | // * the system isn't automatically adding trans_sid |
---|
1056 | // * the session is enabled |
---|
1057 | // * and we're configured to use trans_sid |
---|
1058 | if (!isset($_COOKIE[session_name()]) |
---|
1059 | && !ini_get('session.use_trans_sid') |
---|
1060 | && $this->getParam('enable_session') |
---|
1061 | && $this->getParam('session_use_trans_sid') |
---|
1062 | ) { |
---|
1063 | printf('<input type="hidden" name="%s" value="%s" />', session_name(), session_id()); |
---|
1064 | } |
---|
1065 | |
---|
1066 | // Include the csrf_token in the form. |
---|
1067 | // This token can be validated upon form submission with $app->verifyCSRFToken() or $app->requireValidCSRFToken() |
---|
1068 | if ($this->getParam('csrf_token_enabled') && $include_csrf_token) { |
---|
1069 | printf('<input type="hidden" name="%s" value="%s" />', $this->getParam('csrf_token_name'), $this->getCSRFToken()); |
---|
1070 | } |
---|
1071 | } |
---|
1072 | |
---|
1073 | /* |
---|
1074 | * Return a URL with a version number attached. This is useful for overriding network caches ("cache buster") for sourced media, e.g., /style.css?812763482 |
---|
1075 | * |
---|
1076 | * @access public |
---|
1077 | * @param string $url URL to media (e.g., /foo.js) |
---|
1078 | * @return string URL with cache-busting version appended (/foo.js?v=1234567890) |
---|
1079 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
1080 | * @version 1.0 |
---|
1081 | * @since 03 Sep 2014 22:40:24 |
---|
1082 | */ |
---|
1083 | public function cacheBustURL($url) |
---|
1084 | { |
---|
1085 | // Get the first delimiter that is needed in the url. |
---|
1086 | $delim = mb_strpos($url, '?') !== false ? ini_get('arg_separator.output') : '?'; |
---|
1087 | $v = crc32($this->getParam('codebase_version') . '|' . $this->getParam('site_version')); |
---|
1088 | return sprintf('%s%sv=%s', $url, $delim, $v); |
---|
1089 | } |
---|
1090 | |
---|
1091 | /* |
---|
1092 | * Generate a csrf_token if it doesn't exist or is expired, save it to the session and return its value. |
---|
1093 | * Otherwise just return the current token. |
---|
1094 | * Details on the synchronizer token pattern: |
---|
1095 | * https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)_Prevention_Cheat_Sheet#General_Recommendation:_Synchronizer_Token_Pattern |
---|
1096 | * |
---|
1097 | * @access public |
---|
1098 | * @return string The new or current csrf_token |
---|
1099 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
1100 | * @version 1.0 |
---|
1101 | * @since 15 Nov 2014 17:57:17 |
---|
1102 | */ |
---|
1103 | public function getCSRFToken() |
---|
1104 | { |
---|
1105 | if (!isset($_SESSION['_app'][$this->_ns]['csrf_token']) || (removeSignature($_SESSION['_app'][$this->_ns]['csrf_token']) + $this->getParam('csrf_token_timeout') < time())) { |
---|
1106 | // No token, or token is expired; generate one and return it. |
---|
1107 | return $_SESSION['_app'][$this->_ns]['csrf_token'] = addSignature(time(), null, 64); |
---|
1108 | } |
---|
1109 | // Current token is not expired; return it. |
---|
1110 | return $_SESSION['_app'][$this->_ns]['csrf_token']; |
---|
1111 | } |
---|
1112 | |
---|
1113 | /* |
---|
1114 | * Compares the given csrf_token with the current or previous one saved in the session. |
---|
1115 | * |
---|
1116 | * @access public |
---|
1117 | * @param string $csrf_token The token to compare with the session token. |
---|
1118 | * @return bool True if the tokens match, false otherwise. |
---|
1119 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
1120 | * @version 1.0 |
---|
1121 | * @since 15 Nov 2014 18:06:55 |
---|
1122 | */ |
---|
1123 | public function verifyCSRFToken($user_submitted_csrf_token) |
---|
1124 | { |
---|
1125 | |
---|
1126 | if (!$this->getParam('csrf_token_enabled')) { |
---|
1127 | $this->logMsg(sprintf('%s method called, but csrf_token_enabled=false', __FUNCTION__), LOG_ERR, __FILE__, __LINE__); |
---|
1128 | return true; |
---|
1129 | } |
---|
1130 | if ('' == trim($user_submitted_csrf_token)) { |
---|
1131 | $this->logMsg(sprintf('Empty string failed CSRF verification.', null), LOG_NOTICE, __FILE__, __LINE__); |
---|
1132 | return false; |
---|
1133 | } |
---|
1134 | if (!verifySignature($user_submitted_csrf_token, null, 64)) { |
---|
1135 | $this->logMsg(sprintf('Input failed CSRF verification (invalid signature in %s).', $user_submitted_csrf_token), LOG_WARNING, __FILE__, __LINE__); |
---|
1136 | return false; |
---|
1137 | } |
---|
1138 | $csrf_token = $this->getCSRFToken(); |
---|
1139 | if ($user_submitted_csrf_token != $csrf_token) { |
---|
1140 | $this->logMsg(sprintf('Input failed CSRF verification (%s not in %s).', $user_submitted_csrf_token, $csrf_token), LOG_WARNING, __FILE__, __LINE__); |
---|
1141 | return false; |
---|
1142 | } |
---|
1143 | $this->logMsg(sprintf('Verified CSRF token %s', $user_submitted_csrf_token), LOG_DEBUG, __FILE__, __LINE__); |
---|
1144 | return true; |
---|
1145 | } |
---|
1146 | |
---|
1147 | /* |
---|
1148 | * Bounce user if they submit a token that doesn't match the one saved in the session. |
---|
1149 | * Because this function calls dieURL() it must be called before any other HTTP header output. |
---|
1150 | * |
---|
1151 | * @access public |
---|
1152 | * @param string $user_submitted_csrf_token The user-submitted token to compare with the session token. |
---|
1153 | * @param string $message Optional message to display to the user (otherwise default message will display). Set to an empty string to display no message. |
---|
1154 | * @param int $type The type of message: MSG_NOTICE, |
---|
1155 | * MSG_SUCCESS, MSG_WARNING, or MSG_ERR. |
---|
1156 | * @param string $file __FILE__. |
---|
1157 | * @param string $line __LINE__. |
---|
1158 | * @return void |
---|
1159 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
1160 | * @version 1.0 |
---|
1161 | * @since 15 Nov 2014 18:10:17 |
---|
1162 | */ |
---|
1163 | public function requireValidCSRFToken($message=null, $type=MSG_NOTICE, $file=null, $line=null) |
---|
1164 | { |
---|
1165 | if (!$this->verifyCSRFToken(getFormData($this->getParam('csrf_token_name')))) { |
---|
1166 | $message = isset($message) ? $message : _("Sorry, the form token expired. Please try again."); |
---|
1167 | $this->raiseMsg($message, $type, $file, $line); |
---|
1168 | $this->dieBoomerangURL(); |
---|
1169 | } |
---|
1170 | } |
---|
1171 | |
---|
1172 | /** |
---|
1173 | * Uses an http header to redirect the client to the given $url. If sessions are not used |
---|
1174 | * and the session is not already defined in the given $url, the SID is appended as a URI query. |
---|
1175 | * As with all header generating functions, make sure this is called before any other output. |
---|
1176 | * |
---|
1177 | * @param string $url The URL the client will be redirected to. |
---|
1178 | * @param mixed $carry_args Additional url arguments to carry in the query, |
---|
1179 | * or FALSE to prevent carrying queries. Can be any of the following formats: |
---|
1180 | * -array('key1', key2', key3') <-- to save these keys if in the form data. |
---|
1181 | * -array('key1' => 'value', key2' => 'value') <-- to set keys to default values if not present in form data. |
---|
1182 | * -false <-- To not carry any queries. If URL already has queries those will be retained. |
---|
1183 | * @param bool $always_include_sid Force session id to be added to Location header. |
---|
1184 | */ |
---|
1185 | public function dieURL($url, $carry_args=null, $always_include_sid=false) |
---|
1186 | { |
---|
1187 | if (!$this->running) { |
---|
1188 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
1189 | return false; |
---|
1190 | } |
---|
1191 | |
---|
1192 | if (!$url) { |
---|
1193 | // If URL is not specified, use the redirect_home_url. |
---|
1194 | $url = $this->getParam('redirect_home_url'); |
---|
1195 | } |
---|
1196 | |
---|
1197 | if (preg_match('!^/!', $url)) { |
---|
1198 | // If relative URL is given, prepend correct local hostname. |
---|
1199 | $scheme = 'on' == getenv('HTTPS') ? 'https' : 'http'; |
---|
1200 | $host = getenv('HTTP_HOST'); |
---|
1201 | $url = sprintf('%s://%s%s', $scheme, $host, $url); |
---|
1202 | } |
---|
1203 | |
---|
1204 | $url = $this->url($url, $carry_args, $always_include_sid); |
---|
1205 | |
---|
1206 | // Should we send a "303 See Other" header here instead of relying on the 302 sent automatically by PHP? |
---|
1207 | header(sprintf('Location: %s', $url)); |
---|
1208 | $this->logMsg(sprintf('dieURL: %s', $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1209 | |
---|
1210 | // End application. |
---|
1211 | // Recommended, although I'm not sure it's necessary: http://cn2.php.net/session_write_close |
---|
1212 | $this->stop(); |
---|
1213 | die; |
---|
1214 | } |
---|
1215 | |
---|
1216 | /* |
---|
1217 | * Redirects a user by calling $app->dieURL(). It will use: |
---|
1218 | * 1. the stored boomerang URL, it it exists |
---|
1219 | * 2. a specified $default_url, it it exists |
---|
1220 | * 3. the referring URL, it it exists. |
---|
1221 | * 4. redirect_home_url configuration variable. |
---|
1222 | * |
---|
1223 | * @access public |
---|
1224 | * @param string $id Identifier for this script. |
---|
1225 | * @param mixed $carry_args Additional arguments to carry in the URL automatically (see $app->oHREF()). |
---|
1226 | * @param string $default_url A default URL if there is not a valid specified boomerang URL. |
---|
1227 | * @param bool $queryless_referrer_comparison Exclude the URL query from the refererIsMe() comparison. |
---|
1228 | * @return bool False if the session is not running. No return otherwise. |
---|
1229 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
1230 | * @since 31 Mar 2006 19:17:00 |
---|
1231 | */ |
---|
1232 | public function dieBoomerangURL($id=null, $carry_args=null, $default_url=null, $queryless_referrer_comparison=false) |
---|
1233 | { |
---|
1234 | if (!$this->running) { |
---|
1235 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
1236 | return false; |
---|
1237 | } |
---|
1238 | |
---|
1239 | // Get URL from stored boomerang. Allow non specific URL if ID not valid. |
---|
1240 | if ($this->validBoomerangURL($id, true)) { |
---|
1241 | if (isset($id) && isset($_SESSION['_app'][$this->_ns]['boomerang']['url'][$id])) { |
---|
1242 | $url = $_SESSION['_app'][$this->_ns]['boomerang']['url'][$id]; |
---|
1243 | $this->logMsg(sprintf('dieBoomerangURL(%s) found: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1244 | } else { |
---|
1245 | $url = end($_SESSION['_app'][$this->_ns]['boomerang']['url']); |
---|
1246 | $this->logMsg(sprintf('dieBoomerangURL(%s) using: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1247 | } |
---|
1248 | // Delete stored boomerang. |
---|
1249 | $this->deleteBoomerangURL($id); |
---|
1250 | } else if (isset($default_url)) { |
---|
1251 | $url = $default_url; |
---|
1252 | } else if (!refererIsMe(true === $queryless_referrer_comparison)) { |
---|
1253 | // Ensure that the redirecting page is not also the referrer. |
---|
1254 | $url = getenv('HTTP_REFERER'); |
---|
1255 | $this->logMsg(sprintf('dieBoomerangURL(%s) using referrer: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1256 | } else { |
---|
1257 | // If URL is not specified, use the redirect_home_url. |
---|
1258 | $url = $this->getParam('redirect_home_url'); |
---|
1259 | $this->logMsg(sprintf('dieBoomerangURL(%s) using redirect_home_url: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1260 | } |
---|
1261 | |
---|
1262 | // A redirection will never happen immediately twice. |
---|
1263 | // Set the time so ensure this doesn't happen. |
---|
1264 | $_SESSION['_app'][$this->_ns]['boomerang']['time'] = time(); |
---|
1265 | $this->dieURL($url, $carry_args); |
---|
1266 | } |
---|
1267 | |
---|
1268 | /** |
---|
1269 | * Set the URL to return to when $app->dieBoomerangURL() is called. |
---|
1270 | * |
---|
1271 | * @param string $url A fully validated URL. |
---|
1272 | * @param bool $id An identification tag for this url. |
---|
1273 | * FIXME: url garbage collection? |
---|
1274 | */ |
---|
1275 | public function setBoomerangURL($url=null, $id=null) |
---|
1276 | { |
---|
1277 | if (!$this->running) { |
---|
1278 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
1279 | return false; |
---|
1280 | } |
---|
1281 | // A redirection will never happen immediately after setting the boomerangURL. |
---|
1282 | // Set the time so ensure this doesn't happen. See $app->validBoomerangURL for more. |
---|
1283 | |
---|
1284 | if ('' != $url && is_string($url)) { |
---|
1285 | // Delete any boomerang request keys in the query string (along with any trailing delimiters after the deletion). |
---|
1286 | $url = preg_replace(array('/([&?])boomerang=\w+[&?]?/', '/[&?]$/'), array('$1', ''), $url); |
---|
1287 | |
---|
1288 | if (isset($_SESSION['_app'][$this->_ns]['boomerang']['url']) && is_array($_SESSION['_app'][$this->_ns]['boomerang']['url']) && !empty($_SESSION['_app'][$this->_ns]['boomerang']['url'])) { |
---|
1289 | // If the URL currently exists in the boomerang array, delete. |
---|
1290 | while ($existing_key = array_search($url, $_SESSION['_app'][$this->_ns]['boomerang']['url'])) { |
---|
1291 | unset($_SESSION['_app'][$this->_ns]['boomerang']['url'][$existing_key]); |
---|
1292 | } |
---|
1293 | } |
---|
1294 | |
---|
1295 | if (isset($id)) { |
---|
1296 | $_SESSION['_app'][$this->_ns]['boomerang']['url'][$id] = $url; |
---|
1297 | } else { |
---|
1298 | $_SESSION['_app'][$this->_ns]['boomerang']['url'][] = $url; |
---|
1299 | } |
---|
1300 | $this->logMsg(sprintf('setBoomerangURL(%s): %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1301 | return true; |
---|
1302 | } else { |
---|
1303 | $this->logMsg(sprintf('setBoomerangURL(%s) is empty!', $id, $url), LOG_NOTICE, __FILE__, __LINE__); |
---|
1304 | return false; |
---|
1305 | } |
---|
1306 | } |
---|
1307 | |
---|
1308 | /** |
---|
1309 | * Return the URL set for the specified $id, or an empty string if one isn't set. |
---|
1310 | * |
---|
1311 | * @param string $id An identification tag for this url. |
---|
1312 | */ |
---|
1313 | public function getBoomerangURL($id=null) |
---|
1314 | { |
---|
1315 | if (!$this->running) { |
---|
1316 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
1317 | return false; |
---|
1318 | } |
---|
1319 | |
---|
1320 | if (isset($id)) { |
---|
1321 | if (isset($_SESSION['_app'][$this->_ns]['boomerang']['url'][$id])) { |
---|
1322 | return $_SESSION['_app'][$this->_ns]['boomerang']['url'][$id]; |
---|
1323 | } else { |
---|
1324 | return ''; |
---|
1325 | } |
---|
1326 | } else if (is_array($_SESSION['_app'][$this->_ns]['boomerang']['url'])) { |
---|
1327 | return end($_SESSION['_app'][$this->_ns]['boomerang']['url']); |
---|
1328 | } else { |
---|
1329 | return false; |
---|
1330 | } |
---|
1331 | } |
---|
1332 | |
---|
1333 | /** |
---|
1334 | * Delete the URL set for the specified $id. |
---|
1335 | * |
---|
1336 | * @param string $id An identification tag for this url. |
---|
1337 | */ |
---|
1338 | public function deleteBoomerangURL($id=null) |
---|
1339 | { |
---|
1340 | if (!$this->running) { |
---|
1341 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
1342 | return false; |
---|
1343 | } |
---|
1344 | |
---|
1345 | if (isset($id) && isset($_SESSION['_app'][$this->_ns]['boomerang']['url'][$id])) { |
---|
1346 | $url = $this->getBoomerangURL($id); |
---|
1347 | unset($_SESSION['_app'][$this->_ns]['boomerang']['url'][$id]); |
---|
1348 | } else if (is_array($_SESSION['_app'][$this->_ns]['boomerang']['url'])) { |
---|
1349 | $url = array_pop($_SESSION['_app'][$this->_ns]['boomerang']['url']); |
---|
1350 | } |
---|
1351 | $this->logMsg(sprintf('deleteBoomerangURL(%s): %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1352 | } |
---|
1353 | |
---|
1354 | /** |
---|
1355 | * Check if a valid boomerang URL value has been set. A boomerang URL is considered |
---|
1356 | * valid if: 1) it is not empty, 2) it is not the current URL, and 3) has not been accessed within n seconds. |
---|
1357 | * |
---|
1358 | * @return bool True if it is set and valid, false otherwise. |
---|
1359 | */ |
---|
1360 | public function validBoomerangURL($id=null, $use_nonspecificboomerang=false) |
---|
1361 | { |
---|
1362 | if (!$this->running) { |
---|
1363 | $this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_NOTICE, __FILE__, __LINE__); |
---|
1364 | return false; |
---|
1365 | } |
---|
1366 | |
---|
1367 | if (!isset($_SESSION['_app'][$this->_ns]['boomerang']['url'])) { |
---|
1368 | $this->logMsg(sprintf('validBoomerangURL(%s) no boomerang URL set.', $id), LOG_DEBUG, __FILE__, __LINE__); |
---|
1369 | return false; |
---|
1370 | } |
---|
1371 | |
---|
1372 | // Time is the time stamp of a boomerangURL redirection, or setting of a boomerangURL. |
---|
1373 | // a boomerang redirection will always occur at least several seconds after the last boomerang redirect |
---|
1374 | // or a boomerang being set. |
---|
1375 | $boomerang_time = isset($_SESSION['_app'][$this->_ns]['boomerang']['time']) ? $_SESSION['_app'][$this->_ns]['boomerang']['time'] : 0; |
---|
1376 | |
---|
1377 | $url = ''; |
---|
1378 | if (isset($id) && isset($_SESSION['_app'][$this->_ns]['boomerang']['url'][$id])) { |
---|
1379 | $url = $_SESSION['_app'][$this->_ns]['boomerang']['url'][$id]; |
---|
1380 | } else if (!isset($id) || $use_nonspecificboomerang) { |
---|
1381 | // Use non specific boomerang if available. |
---|
1382 | $url = end($_SESSION['_app'][$this->_ns]['boomerang']['url']); |
---|
1383 | } |
---|
1384 | |
---|
1385 | $this->logMsg(sprintf('validBoomerangURL(%s) testing: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1386 | |
---|
1387 | if ('' == $url) { |
---|
1388 | $this->logMsg(sprintf('validBoomerangURL(%s) not valid, empty!', $id), LOG_DEBUG, __FILE__, __LINE__); |
---|
1389 | return false; |
---|
1390 | } |
---|
1391 | if ($url == absoluteMe()) { |
---|
1392 | // The URL we are directing to is the current page. |
---|
1393 | $this->logMsg(sprintf('validBoomerangURL(%s) not valid, same as absoluteMe: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1394 | return false; |
---|
1395 | } |
---|
1396 | if ($boomerang_time >= (time() - 2)) { |
---|
1397 | // Last boomerang direction was less than 2 seconds ago. |
---|
1398 | $this->logMsg(sprintf('validBoomerangURL(%s) not valid, boomerang_time too short: %s seconds', $id, time() - $boomerang_time), LOG_DEBUG, __FILE__, __LINE__); |
---|
1399 | return false; |
---|
1400 | } |
---|
1401 | |
---|
1402 | $this->logMsg(sprintf('validBoomerangURL(%s) is valid: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
1403 | return true; |
---|
1404 | } |
---|
1405 | |
---|
1406 | /** |
---|
1407 | * Force the user to connect via https (port 443) by redirecting them to |
---|
1408 | * the same page but with https. |
---|
1409 | */ |
---|
1410 | public function sslOn() |
---|
1411 | { |
---|
1412 | if (function_exists('apache_get_modules')) { |
---|
1413 | $modules = apache_get_modules(); |
---|
1414 | } else { |
---|
1415 | // It's safe to assume we have mod_ssl if we can't determine otherwise. |
---|
1416 | $modules = array('mod_ssl'); |
---|
1417 | } |
---|
1418 | |
---|
1419 | if ('' == getenv('HTTPS') && $this->getParam('ssl_enabled') && in_array('mod_ssl', $modules)) { |
---|
1420 | $this->raiseMsg(sprintf(_("Secure SSL connection made to %s"), $this->getParam('ssl_domain')), MSG_NOTICE, __FILE__, __LINE__); |
---|
1421 | // Always append session because some browsers do not send cookie when crossing to SSL URL. |
---|
1422 | $this->dieURL('https://' . $this->getParam('ssl_domain') . getenv('REQUEST_URI'), null, true); |
---|
1423 | } |
---|
1424 | } |
---|
1425 | |
---|
1426 | /** |
---|
1427 | * to enforce the user to connect via http (port 80) by redirecting them to |
---|
1428 | * a http version of the current url. |
---|
1429 | */ |
---|
1430 | public function sslOff() |
---|
1431 | { |
---|
1432 | if ('' != getenv('HTTPS')) { |
---|
1433 | $this->dieURL('http://' . getenv('HTTP_HOST') . getenv('REQUEST_URI'), null, true); |
---|
1434 | } |
---|
1435 | } |
---|
1436 | |
---|
1437 | /* |
---|
1438 | * Sets a cookie, with error checking and some sane defaults. |
---|
1439 | * |
---|
1440 | * @access public |
---|
1441 | * @param string $name The name of the cookie. |
---|
1442 | * @param string $value The value of the cookie. |
---|
1443 | * @param string $expire The time the cookie expires, as a unix timestamp or string value passed to strtotime. |
---|
1444 | * @param string $path The path on the server in which the cookie will be available on. |
---|
1445 | * @param string $domain The domain that the cookie is available to. |
---|
1446 | * @param bool $secure Indicates that the cookie should only be transmitted over a secure HTTPS connection from the client. |
---|
1447 | * @param bool $httponly When TRUE the cookie will be made accessible only through the HTTP protocol (makes cookies unreadable to javascript). |
---|
1448 | * @return bool True on success, false on error. |
---|
1449 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
1450 | * @version 1.0 |
---|
1451 | * @since 02 May 2014 16:36:34 |
---|
1452 | */ |
---|
1453 | public function setCookie($name, $value, $expire='+10 years', $path='/', $domain=null, $secure=null, $httponly=null) |
---|
1454 | { |
---|
1455 | if (!is_scalar($name)) { |
---|
1456 | $this->logMsg(sprintf('Cookie name must be scalar, is not: %s', getDump($name)), LOG_NOTICE, __FILE__, __LINE__); |
---|
1457 | return false; |
---|
1458 | } |
---|
1459 | if (!is_scalar($value)) { |
---|
1460 | $this->logMsg(sprintf('Cookie "%s" value must be scalar, is not: %s', $name, getDump($value)), LOG_NOTICE, __FILE__, __LINE__); |
---|
1461 | return false; |
---|
1462 | } |
---|
1463 | |
---|
1464 | // Defaults. |
---|
1465 | $expire = (is_numeric($expire) ? $expire : (is_string($expire) ? strtotime($expire) : $expire)); |
---|
1466 | $secure = $secure ?: ('' != getenv('HTTPS') && $this->getParam('ssl_enabled')); |
---|
1467 | $httponly = $httponly ?: true; |
---|
1468 | |
---|
1469 | // Make sure the expiration date is a valid 32bit integer. |
---|
1470 | if (is_int($expire) && $expire > 2147483647) { |
---|
1471 | $this->logMsg(sprintf('Cookie "%s" expire time exceeds a 32bit integer (%s)', $key, date('r', $expire)), LOG_NOTICE, __FILE__, __LINE__); |
---|
1472 | } |
---|
1473 | |
---|
1474 | // Measure total cookie length and warn if larger than max recommended size of 4093. |
---|
1475 | // https://stackoverflow.com/questions/640938/what-is-the-maximum-size-of-a-web-browsers-cookies-key |
---|
1476 | // The date the header name include 51 bytes: Set-Cookie: ; expires=Fri, 03-May-2024 00:04:47 GMT |
---|
1477 | $cookielen = strlen($name . $value . $path . $domain . ($secure ? '; secure' : '') . ($httponly ? '; httponly' : '')) + 51; |
---|
1478 | if ($cookielen > 4093) { |
---|
1479 | $this->logMsg(sprintf('Cookie "%s" has a size greater than 4093 bytes (is %s bytes)', $key, $cookielen), LOG_NOTICE, __FILE__, __LINE__); |
---|
1480 | } |
---|
1481 | |
---|
1482 | // Ensure PHP version allow use of httponly. |
---|
1483 | if (version_compare(PHP_VERSION, '5.2.0', '>=')) { |
---|
1484 | $ret = setcookie($name, $value, $expire, $path, $domain, $secure, $httponly); |
---|
1485 | } else { |
---|
1486 | $ret = setcookie($name, $value, $expire, $path, $domain, $secure); |
---|
1487 | } |
---|
1488 | |
---|
1489 | if (false === $ret) { |
---|
1490 | $this->logMsg(sprintf('Failed to set cookie (%s=%s) probably due to output before headers.', $name, $value), LOG_NOTICE, __FILE__, __LINE__); |
---|
1491 | } |
---|
1492 | return $ret; |
---|
1493 | } |
---|
1494 | } // End. |
---|