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<?php |
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require_once "config.php"; |
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require_once "classes/db.php"; |
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require_once "autoload.php"; |
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require_once "errorhandler.php"; |
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require_once "lib/gettext/gettext.inc"; |
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8
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9
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$session_expire = min(2147483647 - time() - 1, max(SESSION_COOKIE_LIFETIME, 86400)); |
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10
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$session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME; |
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if (is_server_https()) { |
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ini_set("session.cookie_secure", true); |
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} |
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ini_set("session.gc_probability", 75); |
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ini_set("session.name", $session_name); |
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ini_set("session.use_only_cookies", true); |
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ini_set("session.gc_maxlifetime", $session_expire); |
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ini_set("session.cookie_lifetime", min(0, SESSION_COOKIE_LIFETIME)); |
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function session_get_schema_version() { |
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global $schema_version; |
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if (!$schema_version) { |
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$row = Db::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch(); |
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$version = $row["schema_version"]; |
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$schema_version = $version; |
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return $version; |
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} |
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return $schema_version; |
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} |
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35
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36
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function validate_session() { |
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if (SINGLE_USER_MODE) { |
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return true; |
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} |
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if (isset($_SESSION["ref_schema_version"]) && $_SESSION["ref_schema_version"] != session_get_schema_version()) { |
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$_SESSION["login_error_msg"] = |
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__("Session failed to validate (schema version changed)"); |
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return false; |
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} |
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$pdo = Db::pdo(); |
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if ($_SESSION["uid"]) { |
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if (!defined('_SESSION_SKIP_UA_CHECKS') && $_SESSION["user_agent"] != sha1($_SERVER['HTTP_USER_AGENT'])) { |
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$_SESSION["login_error_msg"] = __("Session failed to validate (UA changed)."); |
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return false; |
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} |
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$sth = $pdo->prepare("SELECT pwd_hash FROM ttrss_users WHERE id = ?"); |
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$sth->execute([$_SESSION['uid']]); |
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// user not found |
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if ($row = $sth->fetch()) { |
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$pwd_hash = $row["pwd_hash"]; |
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if ($pwd_hash != $_SESSION["pwd_hash"]) { |
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$_SESSION["login_error_msg"] = |
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__("Session failed to validate (password changed)"); |
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return false; |
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} |
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} else { |
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$_SESSION["login_error_msg"] = |
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__("Session failed to validate (user not found)"); |
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return false; |
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76
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} |
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} |
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79
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return true; |
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80
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} |
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81
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82
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function ttrss_open() { |
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return true; |
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84
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} |
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85
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86
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function ttrss_read($id) { |
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87
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global $session_expire; |
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89
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$sth = Db::pdo()->prepare("SELECT data FROM ttrss_sessions WHERE id=?"); |
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$sth->execute([$id]); |
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91
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92
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if ($row = $sth->fetch()) { |
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93
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return base64_decode($row["data"]); |
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94
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95
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} else { |
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$expire = time() + $session_expire; |
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98
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$sth = Db::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire) VALUES (?, '', ?)"); |
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$sth->execute([$id, $expire]); |
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100
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101
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return ""; |
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102
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} |
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} |
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104
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105
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function ttrss_write($id, $data) { |
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global $session_expire; |
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107
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108
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$data = base64_encode($data); |
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109
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$expire = time() + $session_expire; |
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110
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111
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$sth = Db::pdo()->prepare("SELECT id FROM ttrss_sessions WHERE id=?"); |
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$sth->execute([$id]); |
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113
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114
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if ($sth->fetch()) { |
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$sth = Db::pdo()->prepare("UPDATE ttrss_sessions SET data=?, expire=? WHERE id=?"); |
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$sth->execute([$data, $expire, $id]); |
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} else { |
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$sth = Db::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire) VALUES (?, ?, ?)"); |
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$sth->execute([$id, $data, $expire]); |
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} |
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121
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122
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return true; |
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123
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} |
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124
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125
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function ttrss_close() { |
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126
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return true; |
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127
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} |
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128
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129
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function ttrss_destroy($id) { |
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130
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$sth = Db::pdo()->prepare("DELETE FROM ttrss_sessions WHERE id = ?"); |
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$sth->execute([$id]); |
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132
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133
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return true; |
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134
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} |
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135
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136
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function ttrss_gc() { |
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137
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Db::pdo()->query("DELETE FROM ttrss_sessions WHERE expire < ".time()); |
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138
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139
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return true; |
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140
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} |
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141
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142
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if (!SINGLE_USER_MODE) { |
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143
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session_set_save_handler("ttrss_open", |
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144
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"ttrss_close", "ttrss_read", "ttrss_write", |
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"ttrss_destroy", "ttrss_gc"); |
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register_shutdown_function('session_write_close'); |
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147
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} |
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148
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149
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if (!defined('NO_SESSION_AUTOSTART')) { |
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150
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if (isset($_COOKIE[session_name()])) { |
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151
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@session_start(); |
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152
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} |
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153
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} |
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154
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