3 $CALL_ME_FUNCTIONS["gitcontrol"] = "gwvpmini_gitControlCallMe";
5 //$MENU_ITEMS["20repos"]["text"] = "Repo Admin";
6 //$MENU_ITEMS["20repos"]["link"] = "$BASE_URL/admin/repos";
8 // TODO: we could actually change backend interface such that is
9 // will respond to any url's that contain "repo.git" rather then
10 // having to be $BASE_URL/git/repo.git
11 function gwvpmini_gitControlCallMe()
13 if(isset($_REQUEST["q"])) {
14 $query = $_REQUEST["q"];
15 $qspl = explode("/", $query);
17 if($qspl[0] == "git") {
18 return "gwvpmini_gitBackendInterface";
29 function gwvpmini_CreateRepoHooks($repopath, $cmdpath)
31 $fp = fopen("$repopath/hooks/pre-receive", "w");
33 if(!$fp) error_log("could not create pre-receive hook");
35 // TODO: think about this one
36 $script = '#!/bin/bash'."\n\n".'DCOMMIT=`cat`'."\n".'START=`echo $DCOMMIT|cut -d " " -f 1`'."\n".'END=`echo $DCOMMIT|cut -d " " -f 2`'."\n".'REF=`echo $DCOMMIT|cut -d " " -f 3`'."\n\n";
37 $script .= "php $cmdpath pre-receive ";
38 $script .= '$START $END $REF'."\n\n";
43 chmod("$repopath/hooks/pre-receive", 0755);
46 $fp = fopen("$repopath/hooks/update", "w");
48 if(!$fp) error_log("could not create update hook");
50 // TODO: think about this one
51 $script = "#!/bin/bash\n\n";
52 $script .= "php $cmdpath update ";
53 $script .= '$1 $2 $3'."\n\n";
58 chmod("$repopath/hooks/update", 0755);
61 function gwvpmini_gitBackendInterface()
63 // and this is where i re-code the git backend interface from scratch
64 global $BASE_URL, $cmd_line_tool;
66 header_remove("Pragma");
\r
67 header_remove("Cache-Control");
\r
68 header_remove("Set-Cookie");
\r
69 header_remove("Expires");
\r
70 header_remove("X-Powered-By");
\r
71 header_remove("Vary");
\r
74 $repo_base = gwvpmini_getConfigVal("repodir");
76 // TODO: we need to stop passing the repo name around as "repo.git", it needs to be just "repo"
79 /* bizare git problem that ignores 403's or continues on with a push despite them
80 error_log("FLAP for ".$_SERVER["REQUEST_URI"]);
81 if(isset($_REQUEST)) {
82 $dump = print_r($_REQUEST, true);
83 error_log("FLAP, $dump");
85 if(isset($_SERVER["PHP_AUTH_USER"])) {
86 error_log("FLAP: donut hole");
94 if(isset($_REQUEST["q"])) {
95 $query = $_REQUEST["q"];
96 $qspl = explode("/", $query);
98 $repo = preg_replace("/\.git$/", "", $qspl[1]);
99 $repoid = gwvpmini_GetRepoId($repo);
100 for($i=2; $i < count($qspl); $i++) {
101 $newloc .= "/".$qspl[$i];
105 if($repoid == false) {
106 gwvpmini_fourZeroFour();
110 // we do an update server cause its weird and i cant figure out when it actually needs to happen
111 chdir("$repo_base/$repo.git");
112 exec("/usr/bin/git update-server-info");
114 if(!file_exists("$repo_base/$repo.git/hooks/pre-receive") || !file_exists("$repo_base/$repo.git/hooks/update")) {
115 error_log("WRITING HOOKS");
116 gwvpmini_CreateRepoHooks("$repo_base/$repo.git", $cmd_line_tool);
120 // so now we have the repo
121 // next we determine if this is a read or a write
123 // TODO: WE NEED TO FIX THIS, IT DOESNT ALWAYS DETECT a "WRITE"
125 if(isset($_REQUEST["service"])) {
126 if($_REQUEST["service"] == "git-receive-pack") {
127 error_log("got write as receivepack in post");
133 // THIS MAY CAUSE ISSUES LATER ON but we do it cause the git client ignores our 403 when it uses git-receive-pack after an auth
134 // no, this isnt a solution cause auth'd read attempts will come up as writes...
135 //if(isset($_SERVER["PHP_AUTH_USER"])) {
140 $person = gwvpmini_checkBasicAuthLogin();
142 // next, figure out permissions for repo
143 $rid = gwvpmini_GetRepoId($repo);
145 error_log("AT THIS POINT WE HAVE $uid, $rid, $repo $person");
149 error_log("ASK FOR BASIC AUTH");
150 gwvpmini_AskForBasicAuth();
153 $perm = gwvpmini_GetRepoPerm($rid, "a");
155 error_log("ASK FOR BASIC AUTH 2");
156 gwvpmini_AskForBasicAuth();
161 $uid = gwvpmini_GetUserId($person);
162 $perm = gwvpmini_GetRepoPerm($rid, $uid);
165 error_log("SEND FOFF");
166 gwvpmini_fourZeroThree();
171 gwvpmini_fourZeroThree();
177 // if its a write, we push for authentication
181 $person = "anonymous";
184 // if its a write, we check (before and after) the branch/tag info to see if they were updated
188 gwvpmini_callGitBackend($person, $repo);
195 // if we made it this far, we a read and we have permissions to do so, just search the file from the repo
196 /*if(file_exists("$repo_base/$repo.git/$newloc")) {
197 error_log("would ask $repo for $repo.git/$newloc from $repo_base/$repo.git/$newloc");
198 $fh = fopen("$repo_base/$repo.git/$newloc", "rb");
200 error_log("pushing file");
202 echo fread($fh, 8192);
205 error_log("would ask $repo for $repo/$newloc from $repo_base/$repo/$newloc, NE");
206 gwvpmini_fourZeroFour();
212 function gwvpmini_canManageRepo($userid, $repoid)
214 // only the owner or an admin can do these tasks
215 error_log("Checking repoid, $repoid against userid $userid");
217 if(gwvpmini_IsUserAdmin(null, null, $userid)) return true;
218 if(gwvpmini_IsRepoOwner($userid, $repoid)) return true;
222 function gwvpmini_callGitBackend($username, $repo)
224 // this is where things become a nightmare
225 $fh = fopen('php://input', "r");
227 $repo_base = gwvpmini_getConfigVal("repodir");
\r
230 $ruri = $_SERVER["REQUEST_URI"];
231 $strrem = "git/$repo.git";
232 $euri = str_replace($strrem, "", $_REQUEST["q"]);
233 //$euri = preg_replace("/^git\/$repo\.git/", "", $_REQUEST["q"]);
237 $rmeth = $_SERVER["REQUEST_METHOD"];
240 foreach($_REQUEST as $key => $var) {
242 //error_log("adding, $var from $key");
243 if($qs == "") $qs.="$key=$var";
244 else $qs.="&$key=$var";
250 $userdets = gwvpmini_getUser($username);
252 // this is where the fun, it ends.
259 if(isset($procenv)) unset($procenv);
260 $procenv["GATEWAY_INTERFACE"] = "CGI/1.1";
261 $procenv["PATH_TRANSLATED"] = "/$repo_base/$repo.git/$euri";
262 $procenv["REQUEST_METHOD"] = "$rmeth";
263 $procenv["GIT_COMMITTER_NAME"] = $userdets["fullname"];
264 $procenv["GIT_COMMITTER_EMAIL"] = $userdets["email"];
265 $procenv["GIT_HTTP_EXPORT_ALL"] = "1";
266 $procenv["QUERY_STRING"] = "$qs";
267 $procenv["HTTP_USER_AGENT"] = "git/1.7.1";
268 $procenv["REMOTE_USER"] = "$username";
269 $procenv["REMOTE_ADDR"] = $_SERVER["REMOTE_ADDR"];
270 $procenv["AUTH_TYPE"] = "Basic";
272 //error_log("PROCENV: ".print_r($procenv,true));
274 if(isset($_SERVER["CONTENT_TYPE"])) {
275 $procenv["CONTENT_TYPE"] = $_SERVER["CONTENT_TYPE"];
277 //$procenv["CONTENT_TYPE"] = "";
279 if(isset($_SERVER["CONTENT_LENGTH"])) {
280 $procenv["CONTENT_LENGTH"] = $_SERVER["CONTENT_LENGTH"];
283 error_log("path trans'd is /$repo_base/$repo.git/$euri from $ruri with ".$_REQUEST["q"]." $strrem");
288 $pwd = "/$repo_base/";
290 $proc = proc_open("/usr/lib/git-core/git-http-backend", array(array("pipe","rb"),array("pipe","wb"),array("file","/tmp/err", "a")), $pipes, $pwd, $procenv);
293 while(!$untilblank&&!feof($pipes[1])) {
294 $lines_t = fgets($pipes[1]);
295 $lines = trim($lines_t);
296 error_log("got line: $lines");
297 if($lines_t == "\r\n") {
299 error_log("now blank");
300 } else header($lines);
301 if($lines === false) {
302 error_log("got an unexpexted exit...");
312 if(!stream_set_blocking($fh,0)) {
313 error_log("cant set input non-blocking");
316 if(!stream_set_blocking($pipes[1],0)) {
317 error_log("cant set pipe1 non-blocking");
322 $fp = fopen("/tmp/gitup.".rand(0,4000000), "w");
323 // i was going to use stream_select, but i feel this works better like this
327 $from_client_data = fread($fh,8192);
328 if($from_client_data !== false) {
329 fwrite($pipes[0], $from_client_data);
330 fwrite($fp, $from_client_data);
333 //fwrite($fl, $from_client_data);
334 $client_len = strlen($from_client_data);
336 error_log("client end");
342 // sometimes, we get a \r\n from the cgi, i do not know why she swallowed the fly,
343 // but i do know that the fgets for the headers above should have comsued that
344 if(!feof($pipes[1])) {
345 $from_cgi_data_t = fread($pipes[1],8192);
346 $from_cgi_data = $from_cgi_data_t;
348 // i dont know if this will solve it... it coudl cause some serious issues elsewhere
349 // TODO: this is a hack, i need to know why the fgets above doesn consume the \r\n even tho it reads it
350 // i.e. why the pointer doesnt increment over it, cause the freads above then get them again.
352 if(strlen($from_cgi_data_t)>0) {
353 // i dont get why this happens, and its very frustrating.. im not sure if its a bug in php
354 // or something the git-http-backend thing is doing..
355 // TODO: find out why this happens
356 $from_cgi_data = preg_replace("/^\r\n/", "", $from_cgi_data_t);
357 if(strlen($from_cgi_data)!=strlen($from_cgi_data_t)) {
358 error_log("MOOOKS - we did trunc");
360 error_log("MOOOKS - we did not trunc");
366 if($from_cgi_data !== false) {
370 $cgi_len = strlen($from_cgi_data);
372 error_log("cgi end");
376 if(feof($pipes[1])) $continue = false;
378 if($client_len == 0 && $cgi_len == 0) {
380 error_log("sleep tick");
382 if($stlimit > 2) $continue = false;
385 error_log("sizes: $client_len, $cgi_len");
387 error_log("from cgi: \"$from_cgi_data\"");
403 function gwvpmini_repoExists($name)
405 $repo_base = gwvpmini_getConfigVal("repodir");
407 if(file_exists("$repo_base/$name.git")) return true;
412 // 0 - anyone can clone/read, only owner can write
413 // 1 - noone can clone/read, repo is visible (i.e. name), only owner can read/write repo
414 // 2 - only owner can see anything
415 function gwvpmini_createGitRepo($name, $ownerid, $desc)
417 $repo_base = gwvpmini_getConfigVal("repodir");
419 // phew, this works, but i tell you this - bundles arent quite as nice as they should be
420 error_log("would create $repo_base/$name.git");
421 exec("/usr/bin/git init $repo_base/$name.git --bare > /tmp/gitlog 2>&1");
422 chdir("$repo_base/$name.git");
423 exec("/usr/bin/git update-server-info");
425 // gwvpmini_AddRepo($reponame, $repodesc, $repoowner, $defaultperms = 0)
426 gwvpmini_AddRepo($name, $desc, $ownerid);