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Codeigniter base_url setting
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| <?php | |
| // false | |
| $root = ($_SERVER['SERVER_PORT'] == 443 ? 'https' : 'http'); | |
| // false | |
| $root = "http".((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == "on") ? "s" : ""); | |
| // false | |
| $root = (empty($_SERVER['HTTPS']) OR strtolower($_SERVER['HTTPS']) === 'off') ? 'http' : 'https'; | |
| // can use | |
| $isSecure = false; | |
| if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') { | |
| $isSecure = true; | |
| } | |
| elseif (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https' || !empty($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') { | |
| $isSecure = true; | |
| } | |
| $root = $isSecure ? 'https' : 'http'; | |
| $root .= "://" . $_SERVER['HTTP_HOST']; | |
| $root .= str_replace(basename($_SERVER['SCRIPT_NAME']), "", $_SERVER['SCRIPT_NAME']); | |
| $config['base_url'] = "$root"; |
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| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW"> | |
| </head> | |
| <body> | |
| <h1>#SSL TEST PAGE#</h1> | |
| <p>This page is used purely to test for SSL availability.</p> | |
| <?php | |
| $ssl = FALSE; | |
| if (isset($_SERVER['HTTPS'])) { | |
| if (strtolower($_SERVER['HTTPS']) == 'on') { | |
| echo "#SERVER-HTTPS-ON#" . " (" . htmlentities($_SERVER['HTTPS'], ENT_QUOTES, 'UTF-8') . ")<br>"; | |
| $ssl = TRUE; | |
| } | |
| if ('1' == $_SERVER['HTTPS']) { | |
| echo "#SERVER-HTTPS-1#<br>"; | |
| $ssl = TRUE; | |
| } | |
| } | |
| if (isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'])) { | |
| echo "#SERVERPORT443#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if (isset($_ENV['HTTPS']) && ('on' == $_ENV['HTTPS'])) { | |
| echo "#ENVHTTPS#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if (!empty($_SERVER['HTTP_CLOUDFRONT_FORWARDED_PROTO']) && ($_SERVER['HTTP_CLOUDFRONT_FORWARDED_PROTO'] == 'https')) { | |
| echo "#CLOUDFRONT#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if (!empty($_SERVER['HTTP_CF_VISITOR']) && (strpos($_SERVER["HTTP_CF_VISITOR"], "https") !== false)) { | |
| echo "#CLOUDFLARE#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && ($_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) { | |
| echo "#LOADBALANCER#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if (!empty($_SERVER['HTTP_X_PROTO']) && ($_SERVER['HTTP_X_PROTO'] == 'SSL')) { | |
| echo "#HTTP_X_PROTO#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if (!empty($_SERVER['HTTP_X_FORWARDED_SSL']) && ($_SERVER['HTTP_X_FORWARDED_SSL'] == 'on')) { | |
| echo "#HTTP_X_FORWARDED_SSL_ON#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if (!empty($_SERVER['HTTP_X_FORWARDED_SSL']) && ($_SERVER['HTTP_X_FORWARDED_SSL'] == '1')) { | |
| echo "#HTTP_X_FORWARDED_SSL_1#<br>"; | |
| $ssl = TRUE; | |
| } | |
| if ($ssl) { | |
| echo "<br>#SUCCESSFULLY DETECTED SSL#"; | |
| } else { | |
| echo "<br>#NO KNOWN SSL CONFIGURATION DETECTED#"; | |
| } | |
| ?> | |
| </body> | |
| </html> |
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增加 ssl-test-page.php 的參考資料
https://github.com/Really-Simple-Plugins/really-simple-ssl/blob/master/ssl-test-page.php
https://really-simple-ssl.com/
https://github.com/Really-Simple-Plugins/really-simple-ssl