User page code for user/group admin
[gwvp.git] / gwvplib / gwvpweb.php
index 9ad85ae..01215ab 100644 (file)
 <?php
 
+// this function is the initial insertion point for the web calls, here we need to determine where we go
+global $CALL_ME_FUNCTIONS;
 
-function goWebGitBackEnd()
+$MENU_ITEMS["00home"]["text"] = "Home";
+$MENU_ITEMS["00home"]["link"] = "$BASE_URL";
+
+
+
+function gwvp_goWebBegin()
 {
-       if(!isset($_SERVER["PHP_AUTH_USER"])) {
-               header('WWW-Authenticate: Basic realm="My Realm"');
-               header('HTTP/1.0 401 Unauthorized');
-               exit(0);
-       } else {
-               
-               // well, i cant believe it, but this actually freaking works... for pulls/clones anyways... commits are not working...
-               // but wow thats better then what i had hoped for
-               // first thing to do
-               $fh   = fopen('php://input', "r");
-               
-               $k1 = print_r($_REQUEST, true);
-               $k2 = print_r($_SERVER, true);
-               $k3 = print_r($_POST, true);
-               $k4 = print_r($_GET, true);
-               error_log("k1: $k1");
-               error_log("k2: $k2");
-               error_log("k3: $k3");
-               error_log("k4: $k4");
-               error_log($_SERVER["REQUEST_URI"]);
-               
-               $ruri = $_SERVER["REQUEST_URI"];
-               $euri = str_replace("test.git", "", $_REQUEST["q"]);
-               
-               $rmeth = $_SERVER["REQUEST_METHOD"];
-               
-               $qs = "";
-               foreach($_REQUEST as $key => $var) {
-                       if($key != "q") {
-                               //error_log("adding, $var from $key");
-                               if($qs == "") $qs.="$key=$var";
-                               else $qs.="&$key=$var";
-                       }
-               }
-               
-               //sleep(2);
-               
-               
-               
-               // this is where the fun, it ends.
-               $myoutput = "";
-               unset($myoutput);
-               
-               // this be nasty!
-               
-               // setup env
-               if(isset($procenv))     unset($procenv);
-               $procenv["GATEWAY_INTERFACE"] = "CGI/1.1";
-               $procenv["PATH_TRANSLATED"] = "/var/cache/git/test.git$euri";
-               $procenv["REQUEST_METHOD"] = "$rmeth";
-               $procenv["GIT_HTTP_EXPORT_ALL"] = "1";
-               $procenv["QUERY_STRING"] = "$qs";
-               $procenv["HTTP_USER_AGENT"] = "git/1.7.1";
-               $procenv["REMOTE_USER"] = "user";
-               $procenv["REMOTE_ADDR"] = "1.2.3.4";
-               $procenv["AUTH_TYPE"] = "Basic";
-               
-               if(isset($_SERVER["CONTENT_TYPE"])) { 
-                       $procenv["CONTENT_TYPE"] = $_SERVER["CONTENT_TYPE"];
-               } else {
-                       //$procenv["CONTENT_TYPE"] = "";
-               }
-               if(isset($_SERVER["CONTENT_LENGTH"])) { 
-                       $procenv["CONTENT_LENGTH"] = $_SERVER["CONTENT_LENGTH"];
-               }
-               
-               
-
-               $pwd = "/var/cache/git";
-               
-               //error_log("openproc");
-               $proc = proc_open("/usr/lib/git-core/git-http-backend", array(array("pipe","rb"),array("pipe","wb"),array("file","/tmp/err", "a")), $pipes, $pwd, $procenv);
-               //$proc = proc_open("/home/paulr/src/eclipse-workspace/gwvp/datacatch/../datacatcher.sh", array(array("pipe","r"),array("pipe","w"),array("file","/tmp/err", "a")), $pipes, $pwd, $procenv);
-               //error_log("openproc2, $proc");
-               
-               //error_log("openproc3");
-               
-               //if($rmeth == "POST") {
-               //}
-               
-               
-               //error_log("openproc4");
-               
-               $untilblank = false;
-               while(!$untilblank&&!feof($pipes[1])) {
-                       $lines_t = fgets($pipes[1]);
-                       $lines = trim($lines_t);
-                       error_log("got line: $lines");
-                       if($lines_t == "\r\n") {
-                               $untilblank = true;
-                               error_log("now blank");
-                       } else header($lines);
-                       if($lines === false) {
-                               error_log("got an unexpexted exit...");
-                               exit(0);
-                       }
-                       
-               }
-               
-               //error_log("openproc5");
-               // if would seam that post and output must be synchronised together somehow... i think
-               /*
-               $fh   = fopen('php://input', 'rb');
-                       if ($fh) {
-                               while (!feof($fh)) {
-                               $s = fread($fh, 1024);
-                               if($s === false) {
-                                       error_log("unexpected eror on input read");
-                               }
-                               fwrite($pipes[0], $s);
-                               }
-                               fclose($fh);
-                       }
-               
-               // now the body
-               $fl = fopen("/tmp/pushpipe", "ab");
-               while(!feof($pipes[1])) {
-                       $d =  fread($pipes[1], 1024);
-                       error_log("got read, $d");
-                       if($d === false) {
-                               errog_log("got unexpected false on reads");
-                       } else {
-                               echo $d;
-                               fwrite($fl, $d);
-                       }
-               }*/
-               
-               // oh god, something goes wrong with all this data and i dont know what it is
-               // but i think its cause proc_open doesnt deal with binary data properly
-               $firstline = true;
-               $continue = true;
-               //$fl = fopen("/tmp/pushpipe", "w");
-               
-               if(!stream_set_blocking($fh,0)) {
-                       error_log("cant set input non-blocking");
-               }
-               // problem no 1 - dont do this
-               //if(!stream_set_blocking($pipes[0],0)) {
-                       //error_log("cant set pipe 0 non-blocking");
-               //}
-               if(!stream_set_blocking($pipes[1],0)) {
-                       error_log("cant set pipe1 non-blocking");
+       global $CALL_ME_FUNCTIONS;
+       
+       // first we determine if we have a valid setup and run the installer if not
+       if(!gwvp_issetup()) {
+               gwvp_goSetup();
+               return;
+       }
+       
+       // next, we go thru the CALL_ME_FUNCTIONS - the purpose of call_me_functions is to determine if a function should be called based on
+       // the functions return (i.e. if function returns false, its not it, otherwise it returns a function name we have to call)
+       // this is important for our plugin structure later on - the key on the array serves an an ordering method
+       ksort($CALL_ME_FUNCTIONS);
+       foreach($CALL_ME_FUNCTIONS as $key => $val) {
+               error_log("checking callmefunction $key as $val");
+               $callme = $val();
+               if($callme !== false) {
+                       $callme();
+                       return;
                }
-               
-               // i was going to use stream_select, but i feel this works better like this
-               while($continue) {
-                       // do client
-                       if(!feof($fh)) {
-                               $from_client_data = fread($fh,8192);
-                               if($from_client_data !== false) fwrite($pipes[0], $from_client_data);
-                               fflush($pipes[0]);
-                               //fwrite($fl, $from_client_data);
-                               $client_len = strlen($from_client_data);
-                       } else {
-                               error_log("client end");
-                               $client_len = 0;
-                       }
-                       
-                       // do cgi
-                       // sometimes, we get a \r\n from the cgi, i do not know why she swallowed the fly,
-                       // but i do know that the fgets for the headers above should have comsued that
-                       if(!feof($pipes[1])) {
-                               $from_cgi_data_t = fread($pipes[1],8192);
-                               $from_cgi_data = $from_cgi_data_t;
-                               
-                               // i dont know if this will solve it... it coudl cause some serious issues elsewhere
-                               // TODO: this is a hack, i need to know why the fgets above doesn consume the \r\n even tho it reads it
-                               // i.e. why the pointer doesnt increment over it, cause the freads above then get them again.
-                               if($firstline) {
-                                       if(strlen($from_cgi_data_t)>0) {
-                                               $from_cgi_data = preg_replace("/^\r\n/", "", $from_cgi_data_t);
-                                               $firstline = false;
-                                       }
-                               }
-                               
-                               if($from_cgi_data !== false) {
-                                       echo $from_cgi_data;
-                                       flush();
+       }
+       
+       // we fell-thru to the main web page builder
+       gwvp_goMainPage();
+}
+
+function gwvp_SendMessage($messagetype, $message)
+{
+       $_SESSION["messagetype"] = $messagetype;
+       $_SESSION["message"] = $message;
+}
+
+function gwvp_goMainPage($bodyFunction = null)
+{
+       // the main page will look pretty simple, a title, a menu then a body
+       global $WEB_ROOT_FS, $BASE_URL;
+       
+       // a simple web page layout that loads any css and js files that exist in the css and js directories
+       echo "<html><head><title>GWVP</title>";
+       
+       // load css
+       if(file_exists("$WEB_ROOT_FS/css")) {
+               $dh = opendir("$WEB_ROOT_FS/css");
+               if($dh) {
+                       while(($file = readdir($dh))!==false) {
+                               $mt = preg_match("/.*.css$/", $file);
+                               if($mt > 0) {
+                                       error_log("loading css $file");
+                                       echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$BASE_URL/css/$file\">";
+                                       //echo "required $basedir/$file\n";
                                }
-                               $cgi_len = strlen($from_cgi_data);
-                       } else {
-                               error_log("cgi end");
-                               $cgi_len = 0;
                        }
-                       
-                       if(feof($pipes[1])) $continue = false;
-                       else {
-                               if($client_len == 0 && $cgi_len == 0) {
-                                       usleep(200000);
-                                       error_log("sleep tick");
-                               } else {
-                                       error_log("sizes: $client_len, $cgi_len");
-                                       if($cgi_len > 0) {
-                                               error_log("from cgi: \"$from_cgi_data\"");
-                                       }
+               }               
+       }
+
+       // load js
+       if(file_exists("$WEB_ROOT_FS/js")) {
+               $dh = opendir("$WEB_ROOT_FS/js");
+               if($dh) {
+                       while(($file = readdir($dh))!==false) {
+                               $mt = preg_match("/.*.js$/", $file);
+                               if($mt > 0) {
+                                       error_log("loading js $file");
+                                       echo "<script type=\"text/javascript\" src=\"$BASE_URL/js/$file\"></script>";
+                                       //echo "required $basedir/$file\n";
                                }
                        }
-                       
+               }               
+       }
+       
+       
+       // start body
+       echo "</head><body>";
+       
+       echo "<h1>Git over Web Via PHP</h2>";
+       
+       
+       echo "<table width=\"100%\">";
+
+       if(isset($_SESSION["message"])) {
+               echo "<tr width=\"100%\"><td colspan=\"2\">";
+               gwvp_MessageBuilder();
+               echo "</td></tr>";
+       }
+       
+       echo "<tr width=\"100%\"><td>";
+       gwvp_MenuBuilder();
+       echo "</td><td align=\"right\">";
+       gwvp_LoginBuilder();
+       echo "</td>";
+       
+       echo "</tr>";
+       
+       echo "<tr><td>";
+       if($bodyFunction == null) {
+               gwvp_BodyBuilder();
+       } else {
+               if(function_exists($bodyFunction)) {
+                       $bodyFunction();
+               } else {
+                       error_log("Got called with non-existant body function");
+                       gwvp_BodyBuilder();
                }
-               
-               
-               //fclose($fl);
-               fclose($fh);
-               fclose($pipes[1]);
-               fclose($pipes[0]);
-               
-               //error_log("openproc6");
-               
        }
+       echo "</td></tr>";
+       
+       echo "<tr><td>";
+       gwvp_TailBuilder();
+       echo "</td></tr></table></body></html>";
+       
+}
+
+
+// builds the message builder if its needed
+function gwvp_MessageBuilder()
+{
+       $message = "";
+       $messagetype = "info";
+       if(isset($_SESSION["message"])) $message = $_SESSION["message"];
+       if(isset($_SESSION["messagetype"])) $messagetype = $_SESSION["messagetype"];
+       
+       if($message != "") {
+               switch($messagetype) {
+                       case "info":
+                               echo "<table border=\"1\" width=\"100%\"><tr width=\"100%\"><td bgcolor=\"#AAFFAA\">$message</td></tr></table>";
+                               break;
+                       case "error":
+                               echo "<table border=\"1\" width=\"100%\"><tr width=\"100%\"><td bgcolor=\"#FFAAAA\">$message</td></tr></table>";
+                               break;
+               }
+               unset($_SESSION["message"]);
+               if(isset($_SESSION["messagetype"])) unset($_SESSION["messagetype"]);
+       }
+}
+
+// builds the menu structure
+function gwvp_MenuBuilder()
+{
+       global $MENU_ITEMS;
+       
+       ksort($MENU_ITEMS);
+       
+       echo "<table border=\"1\"><tr><td>Menu</td>";
+       foreach($MENU_ITEMS as $key => $val) {
+               $link = $val["link"];
+               $text = $val["text"];
+               echo "<td><a href=\"$link\">$text</a></td>";
+       }
+       echo "</tr></table>";
+       
+}
+
+function gwvp_LoginBuilder()
+{
+       global $WEB_ROOT_FS, $BASE_URL;
+       
+       $login = gwvp_IsLoggedIn();
+       if($login === false) {
+               gwvp_SingleLineLoginForm();
+       } else {
+               echo "Hello, ".gwvp_GetFullName($login);
+       }
+}
+
+// builds the body structure
+function gwvp_BodyBuilder()
+{
+       echo "I AM THE MAIN BODY, FEAR ME!!!!";
+}
+
+// builds the tail structure
+function gwvp_TailBuilder()
+{
+       echo "<font size=\"-1\"><i>Copyright 2011, PJR - licensed under GPL</i></font>";
 }
 
 ?>
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