<?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($_SESSION["message"])) {
+ echo "<tr width=\"100%\"><td>";
+ gwvp_MessageBuilder();
+ echo "</td></tr>";
+ }
+
+ echo "<tr width=\"100%\"><td>";
+ gwvp_MenuBuilder();
+ echo "</td><td align=\"right\">";
+ gwvp_LoginBuilder();
+ echo "</td>";
+
+ echo "</tr>";
+
+ echo "<tr><td>";
+ if($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>";
}
?>
\ No newline at end of file