Dominique Fournier
75910359d9
git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1819 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
625 lines
19 KiB
PHP
625 lines
19 KiB
PHP
<?php
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/** DomFramework
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@package domframework
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@author Dominique Fournier <dominique@fournier38.fr> */
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require_once ("domframework/http.php");
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/** The routing module, base of the DomFramework */
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class route
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{
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/** The baseURL of the site */
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private $baseURL = "";
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/** The baseURL of the module in the site */
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private $baseURLmodule = "";
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/** The method used to ask the page */
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public $method = "";
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/** The module name */
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public $module = NULL;
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/** The debug mode :
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0:NoDebug, 1:routing, 2:more debug (developpement)*/
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public $debug=0;
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//public $defaultOutput = "html"; // Default renderer : html
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/** Return the baseURL of the site
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Always finish with a slash
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@param string|null $module The module name (if thereis one) */
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function baseURL ($module = FALSE)
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{
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if ($this->module === NULL)
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$this->module = $module;
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if ($this->baseURL !== "")
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return $this->baseURL;
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if (!isset ($_SERVER["SERVER_PORT"]))
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$_SERVER["SERVER_PORT"] = "80";
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$port = ":".$_SERVER["SERVER_PORT"];
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if (!isset ($_SERVER["HTTPS"]) && $_SERVER["SERVER_PORT"] === "80")
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$port = "";
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if (isset ($_SERVER["HTTPS"]) && $_SERVER["SERVER_PORT"] === "443")
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$port = "";
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if (isset ($_SERVER["SCRIPT_NAME"]))
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$this->baseURL = dirname ($_SERVER["SCRIPT_NAME"]);
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if (isset ($_SERVER["SERVER_NAME"]))
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$this->baseURL = "//".$_SERVER["SERVER_NAME"].$port.$this->baseURL;
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if (isset ($_SERVER["HTTPS"]))
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$this->baseURL = "https:".$this->baseURL;
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else
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$this->baseURL = "http:".$this->baseURL;
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if (substr ($this->baseURL, -1) !== "/")
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$this->baseURL .= "/";
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$this->baseURLmodule = $this->baseURL;
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// Only != NOT !== (cause : $this->module can be converted in string "0")
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if ($this->module != FALSE)
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{
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$this->baseURLmodule = $this->baseURL;
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$this->baseURL = dirname ($this->baseURL)."/";
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}
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return $this->baseURL;
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}
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/** Return the baseURL of the module
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Always finish with a slash */
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function baseURLmodule ()
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{
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if ($this->baseURLmodule !== "")
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return $this->baseURLmodule;
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$this->baseURL ($this->module);
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return $this->baseURLmodule;
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}
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/** Define the base URL of the site
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@param string $baseURL The base URL of the site */
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function baseURLset ($baseURL)
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{
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$this->baseURL = $baseURL;
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}
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/** Return the complete URL used to see this page */
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function requestURL ()
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{
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if (isset ($_SERVER["HTTPS"]))
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$url = "https:";
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else
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$url = "http:";
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if (!isset ($_SERVER["SERVER_PORT"]))
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$_SERVER["SERVER_PORT"] = "80";
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$port = ":".$_SERVER["SERVER_PORT"];
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if (!isset ($_SERVER["HTTPS"]) && $_SERVER["SERVER_PORT"] === "80")
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$port = "";
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if (isset ($_SERVER["HTTPS"]) && $_SERVER["SERVER_PORT"] === "443")
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$port = "";
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if (isset ($_SERVER["SERVER_NAME"]))
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$url .= "//".$_SERVER["SERVER_NAME"].$port;
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if (isset ($_SERVER["REQUEST_URI"]))
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$url .= $_SERVER["REQUEST_URI"];
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return $url;
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}
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/** Do all the routing with redirections
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$destURL can be absolute or relative
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If module is set, the site is modular and a directory is named with module
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name
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@param string $destURL Do a redirection of the HTTP page
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@param string $module The module name
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@param boolean|null Permanent redirect (false by default) */
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function redirect ($destURL, $module, $permanent = false)
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{
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if (php_sapi_name () === "cli")
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exit;
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$destURL = trim ($destURL);
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$baseURL = $this->baseURL ($module);
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$requestURL = $this->requestURL ();
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if (substr ($requestURL, -1) !== "/")
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$requestURL .= "/";
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if ($destURL[0] === "/")
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{
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// Absolute : return to project base
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$destURL = $baseURL.substr ($destURL, 1);
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}
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if (substr ($destURL, 0, 4) !== "http")
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{
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// Relative to parameters : continue
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$destURL = $requestURL.$destURL;
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}
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// Else http : keep the complete URL
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if ($destURL === "")
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throw new Exception ("Destination URL is empty", 500);
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// Allow to redirect from POST to GET, but not GET to GET (can loop)
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if ($destURL === $requestURL && $_SERVER["REQUEST_METHOD"] === "GET")
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throw new Exception ("Redirect to myself", 508);
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if (substr ($destURL, 0, strlen ($baseURL)) !== $baseURL)
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throw new Exception ("Can't redirect outside this site (Base $baseURL)",
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405);
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if ($this->debug)
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{
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echo "<pre>\n";
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echo "==== DEBUG : REDIRECT START ====\n";
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echo "BASEURL=$baseURL\n";
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echo "REQUURL=$requestURL\n";
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echo "destURL=$destURL\n";
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echo " ---> Redirect to <a href='$destURL'>$destURL</a>\n";
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echo "==== DEBUG : REDIRECT END ====\n";
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echo "</pre>\n";
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exit;
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}
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if (! headers_sent ())
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{
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header ("Cache-Control: no-store, no-cache, must-revalidate");
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header ("Pragma: no-cache");
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if ($permanent)
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header ("HTTP/1.1 301 Moved Permanently");
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header ("Location: $destURL");
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}
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else
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{
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echo "<script type='text/javascript'>\n";
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echo "window.location.replace('$destURL');</script>";
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echo "<a href='$destURL'>Redirect to $destURL</a>";
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}
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exit;
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}
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/** Do all the routing actions
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wait an array with search=>action
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- search can be the end of URL and optionnal parameters in {var1} format
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{var1} must be the name of the parameter of the method
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- action is an array with (0=>CLASS, 1=>method, 2...=>parameters) */
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// DISABLED FUNCTION : TOO COMPLEX !!
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/*function routingCollection ($routes)
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{
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if ($this->debug)
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echo "<pre>==== DEBUG : ROUTING START ====\n";
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foreach ($routes as $route=>$action)
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{
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$url = substr ($this->requestURL (), strlen ($this->baseURLmodule ()));
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if ($this->debug)
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{
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echo "==> $url ?? $route => ".$action[0]."->".$action[1]."(";
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echo implode (", ", array_slice ($action, 2)).") : ";
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// Flush to debug redirect if javascript is disabled
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ob_flush ();
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flush ();
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}
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$class = $action[0];
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$method = $action[1];
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$params = array_slice ($action, 2);
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/* This part is actually disabled to be simpler
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// Asked output
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$outputAuthorized = array ("html");
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// -- Look at authorized outputs
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$regex = "#\((.+)\)#U";
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unset ($matches);
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$rcRegex = preg_match ($regex, $route, $matchesExt);
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if ($rcRegex !== FALSE && $rcRegex !== 0)
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{
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// Defined output provided
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$outputAuthorized = explode (".", $matchesExt[1]);
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$routeOutput = $matchesExt[0];
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$regexOutput = "(?P<extension>";
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foreach ($outputAuthorized as $k=>$m)
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{
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if ($m === "")
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{
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$regexOutput .= "";
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}
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else
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{
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$outputAuthorized[$k] = ".$m";
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$regexOutput .= "|\\.$m";
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}
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}
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$regexOutput .= ")";
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}
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if ($this->debug)
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echo "\n";
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if ($this->debug > 1)
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{
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echo " -- AUTHORIZED OUTPUT\n";
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echo "routeOutput = $routeOutput\n";
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echo "regexOutput = ".htmlentities ($regexOutput)."\n";
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echo "outputAuthorized = ";print_r ($outputAuthorized);
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echo " -- LOOK AT EXTENSION IN URL : SAVE IT AND REMOVE IF FOUND\n";
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}
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$regex = "#^$route$#U";
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$regex = str_replace ("{", "(?P<", $regex);
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$regex = str_replace ("}", ">.+)", $regex);
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$regex = str_replace ($routeOutput, $regexOutput, $regex);
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if ($this->debug > 1)
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echo "regex = ".htmlentities ($regex)."\n";
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unset ($matches);
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$rcRegex = preg_match ($regex, $url, $matches);
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if ($rcRegex !== FALSE && $rcRegex !== 0)
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{
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if ($this->debug > 1)
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{
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echo "MATCHES=";print_r ($matches);
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}
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if (isset ($matches["extension"]) && $matches["extension"] !== "")
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{
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// Authorized extension found : save it and remove it from URL
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$this->output = substr ($matches["extension"], 1);
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if ($this->debug)
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echo "Extension found in url : output='".$this->output."'\n";
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// Remove numerical indexes and extension : new URL without output
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// extension
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$url = "";
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foreach ($matches as $key=>$val)
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{
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if (is_numeric ($key)) continue;
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if ($key === "extension") continue;
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$url .= $val;
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}
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if ($this->debug > 1)
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echo "After removing extension : url='$url'\n";
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}
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else
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{
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$this->output = $this->defaultOutput;
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if ($this->debug)
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echo "Extension empty found in url : default output '".
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"$this->output'\n";
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}
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}
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else
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{
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$this->output = $this->defaultOutput;
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if ($this->debug)
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echo "Extension not found in url : default output '$this->output'\n";
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}
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if ($this->debug > 1)
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echo " -- REMOVE EXTENSION TEST IN ROUTE\n";
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$route = str_replace ($routeOutput, "", $route);
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if ($this->debug)
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{
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echo "URL='";print_r ($url); echo "'\n";
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echo "ROUTE='";print_r ($route); echo "'\n";
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}*/
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/*
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// URL === ROUTE (No variables)
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if ($url === $route)
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{
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if ($this->debug)
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{
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echo "FOUND : URL === ROUTE (No variables) : ";
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echo "Call $class->$method()\n";
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echo "==== DEBUG : ROUTING END ====</pre>\n";
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}
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// For loading user modules controllers
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$rc = @include_once ("controllers/controller_$class.php");
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// For loading framework classes
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if ($rc === FALSE) @include_once ("$class.php");
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try
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{
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$reflection = new ReflectionMethod ($class, $method);
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$res = $reflection->invokeArgs(new $class, $params);
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}
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catch (Exception $e)
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{
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$res = "ERROR : ". $e->getMessage();
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}
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return $res;
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}
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// URL === REGEXP ROUTE
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// Variables are exposed in url/{var1}/{var2}
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$regex = "#^$route$#U";
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$regex = str_replace ("{", "(?P<", $regex);
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$regex = str_replace ("}", ">.+)", $regex);
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unset ($matches);
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$rcRegex = preg_match ($regex, $url, $matches);
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if ($rcRegex !== FALSE && $rcRegex !== 0)
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{
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if ($this->debug)
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{
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echo "FOUND : URL === REGEX : ";
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}
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// seach->replace with the matches
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$search = array_keys ($matches);
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array_walk ($search, function(&$n) { $n = "{".$n."}"; });
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$replace = $matches;
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// For loading user modules controllers
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$rc = @include_once ("controllers/controller_$class.php");
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// For loading framework classes
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if ($rc === FALSE) $rc = @include_once ("$class.php");
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if ($rc === FALSE && $this->debug)
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echo "NO MATCH (missing class file)\n";
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if ($rc === FALSE)
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continue;
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// Check if a parameter is for the constructor of the class
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$passConstruct = array ();
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try
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{
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// If there is no constructor in the controller, an exception is
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// raised
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$reflectionClass = new ReflectionMethod ($class, "__construct");
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foreach ($reflectionClass->getParameters() as $key=>$param)
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{
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if (isset ($matches[$param->getName ()]))
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$passConstruct[] = $matches[$param->getName ()];
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elseif ($param->isOptional ())
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$passConstruct[] = $matches[$param->getDefaultValue ()];
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else
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{
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// Missing parameters : abort this route test
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if ($this->debug)
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echo "NO MATCH (missing constructor parameter)\n";
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continue (2);
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}
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}
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}
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catch (Exception $e)
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{
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}
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//echo "passConstruct=";print_r ($passConstruct);
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// Check if the method need parameters
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$reflection = new ReflectionMethod ($class, $method);
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$passMethod = array();
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//echo "getParameters=";var_dump ($reflection->getParameters());
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foreach($reflection->getParameters() as $key=>$param)
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{
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if (isset ($matches[$param->getName ()]))
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$passMethod[] = $matches[$param->getName ()];
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elseif (isset ($params[$key]))
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$passMethod[] =str_replace ($search, $replace, $params[$key]);
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elseif ($param->isOptional ())
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$passMethod[] = $matches[$param->getDefaultValue ()];
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else
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{
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if ($this->debug)
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echo "NO MATCH (missing method parameter)\n";
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// Missing parameters : abort this route test
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continue (2);
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}
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}
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if ($this->debug)
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{
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echo "Call $class(".implode (",", $passConstruct).")->$method(";
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echo implode (",", $passMethod).")\n";
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echo "==== DEBUG : ROUTING END ====</pre>\n";
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}
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//echo "matches=";print_r ($matches);
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//echo "passMethod=";print_r ($passMethod);
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try
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{
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$refclass = new ReflectionClass ($class);
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$refClassInst = $refclass->newInstanceArgs ($passConstruct);
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$res = $reflection->invokeArgs ($refClassInst, $passMethod);
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}
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catch (Exception $e)
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{
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$res = "ERROR : ". $e->getMessage();
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}
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return $res;
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}
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if ($this->debug)
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{
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echo "NO MATCH\n";
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}
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}
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if ($this->debug)
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echo "==== DEBUG : ROUTING END : No route found====</pre>\n";
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// TODO : ERROR 404 !
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echo "404";
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return;
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}*/
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/** Return the HTTP method used to connect to the page
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Can be override by a _METHOD parameter provided in POST
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Throw an exception in case of error */
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public function method ()
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{
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if (isset ($_POST["_METHOD"]) &&
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($_POST["_METHOD"] === "GET" ||
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$_POST["_METHOD"] === "POST" ||
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$_POST["_METHOD"] === "PUT" ||
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$_POST["_METHOD"] === "DELETE"))
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{
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$this->method = $_POST["_METHOD"];
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return $_POST["_METHOD"];
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}
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if (!isset ($_SERVER["REQUEST_METHOD"]))
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throw new Exception ("No REQUEST_METHOD", 415);
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if ($_SERVER["REQUEST_METHOD"] === "GET" ||
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$_SERVER["REQUEST_METHOD"] === "POST" ||
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$_SERVER["REQUEST_METHOD"] === "PUT" ||
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$_SERVER["REQUEST_METHOD"] === "DELETE")
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{
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$this->method = $_SERVER["REQUEST_METHOD"];
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return $_SERVER["REQUEST_METHOD"];
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}
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throw new Exception ("Invalid REQUEST_METHOD", 406);
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}
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/** If the URL is corresponding with $url, and the method is GET, then the
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function is called.
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Ex. : $app->get('/hello/{name}', function ($name) {
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echo "Hello, $name";
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});
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@param string $route Route to check with the URL
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@param function $function Function to be executed if the route match */
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public function get ($route, $function)
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{
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if ($this->debug)
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echo "<pre>==> GET $route ?? ";
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if ($this->method () !== "GET")
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{
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if ($this->debug)
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echo "==> Not a GET Method\n";
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return;
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}
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return $this->map ($route, $function);
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}
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/** If the URL is corresponding with $url, and the method is POST, then the
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function is called.
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Ex. : $app->get('/hello/{name}', function ($name) {
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echo "Hello, $name";
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});
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@param string $route Route to check with the URL
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@param function $function Function to be executed if the route match */
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public function post ($route, $function)
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{
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if ($this->debug)
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echo "<pre>==> POST $route ?? ";
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if ($this->method () !== "POST")
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{
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if ($this->debug)
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echo "==> Not a POST Method\n";
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return;
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}
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return $this->map ($route, $function);
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}
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/** If the URL is corresponding with $url, and the method is PUT, then the
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function is called.
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Ex. : $app->get('/hello/{name}', function ($name) {
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echo "Hello, $name";
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});
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@param string $route Route to check with the URL
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@param function $function Function to be executed if the route match */
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public function put ($route, $function)
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{
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if ($this->debug)
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echo "<pre>==> PUT $route ?? ";
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if ($this->method () !== "PUT")
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{
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if ($this->debug)
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echo "==> Not a PUT Method\n";
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return;
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}
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return $this->map ($route, $function);
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}
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/** If the URL is corresponding with $url, and the method is DELETE, then the
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function is called.
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Ex. : $app->get('/hello/{name}', function ($name) {
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echo "Hello, $name";
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});
|
|
@param string $route Route to check with the URL
|
|
@param function $function Function to be executed if the route match */
|
|
public function delete ($route, $function)
|
|
{
|
|
if ($this->debug)
|
|
echo "<pre>==> DELETE $route ?? ";
|
|
if ($this->method () !== "DELETE")
|
|
{
|
|
if ($this->debug)
|
|
echo "==> Not a DELETE Method\n";
|
|
return;
|
|
}
|
|
|
|
return $this->map ($route, $function);
|
|
}
|
|
|
|
/** Do the mapping between the url and the route : call the function if
|
|
thereis a match
|
|
@param string $route Route to check with the URL
|
|
@param function $function Function to be executed if the route match */
|
|
public function map ($route, $function)
|
|
{
|
|
$url = substr ($this->requestURL (), strlen ($this->baseURLmodule ()));
|
|
if ($this->debug)
|
|
echo "$url ";
|
|
if ($url === $route)
|
|
{
|
|
if ($this->debug)
|
|
echo "==> FOUND EQUAL !\n";
|
|
try
|
|
{
|
|
$function ();
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
@header ($_SERVER["SERVER_PROTOCOL"]." 500 Internal Server Error");
|
|
// TODO : Allow a specific page to be configured and displayed
|
|
echo "<H1>Internal server error</h1>";
|
|
echo $e->getMessage();
|
|
}
|
|
exit;
|
|
}
|
|
|
|
// URL === REGEXP ROUTE
|
|
// Variables are exposed in url/{var1}/{var2}
|
|
$regex = "#^$route$#U";
|
|
//$regex = str_replace ("?", "\?", $regex);
|
|
//$regex = str_replace (".", "\.", $regex);
|
|
$regex = str_replace ("{", "(?P<", $regex);
|
|
$regex = str_replace ("}", ">.+)", $regex);
|
|
unset ($matches);
|
|
$rcRegex = preg_match ($regex, $url, $matches);
|
|
if ($rcRegex !== FALSE && $rcRegex !== 0)
|
|
{
|
|
if ($this->debug)
|
|
echo "==> FOUND REGEX !\n";
|
|
$params = array ();
|
|
$reflect = new ReflectionFunction ($function);
|
|
foreach ($reflect->getParameters() as $key=>$val)
|
|
{
|
|
if (isset ($matches[$val->name]))
|
|
$params[] = $matches[$val->name];
|
|
else
|
|
$params[] = null;
|
|
}
|
|
|
|
try
|
|
{
|
|
call_user_func_array ($function, $params);
|
|
}
|
|
catch (Exception $e)
|
|
{
|
|
if ($e->getCode () === "")
|
|
$getCode = 500;
|
|
else
|
|
$getCode = $e->getCode ();
|
|
|
|
$http = new http ();
|
|
@header ($_SERVER["SERVER_PROTOCOL"]." $getCode ".$http->codetext ($getCode));
|
|
// TODO : Allow a specific page to be configured and displayed
|
|
echo "<html>\n";
|
|
echo " <head>\n";
|
|
echo " <title>".$http->codetext ($getCode)."</title>\n";
|
|
echo " <meta charset='utf-8'>\n";
|
|
echo " <meta name='ROBOTS' content='NOINDEX, NOFOLLOW'>\n";
|
|
echo " </head>\n";
|
|
echo" <body>\n";
|
|
echo "<h1>".$http->codetext ($getCode)."</h1>";
|
|
echo $e->getMessage();
|
|
echo" </body>\n";
|
|
echo "</html>\n";
|
|
}
|
|
exit;
|
|
}
|
|
|
|
if ($this->debug)
|
|
echo "==> NO MATCH\n";
|
|
}
|
|
}
|