+++ /dev/null
-<?php
-
-$CALL_ME_FUNCTIONS["gitcontrol"] = "gwvp_gitControlCallMe";
-
-//$MENU_ITEMS["20repos"]["text"] = "Repo Admin";
-//$MENU_ITEMS["20repos"]["link"] = "$BASE_URL/admin/repos";
-$HOME_PAGE_PROVIDERS["gitlog"] = "gwvp_GitLogProvider";
-
-// TODO: we could actually change backend interface such that is
-// will respond to any url's that contain "repo.git" rather then
-// having to be $BASE_URL/git/repo.git
-function gwvp_gitControlCallMe()
-{
- if(isset($_REQUEST["q"])) {
- $query = $_REQUEST["q"];
- $qspl = explode("/", $query);
- if(isset($qspl[0])) {
- if($qspl[0] == "git") {
- return "gwvp_gitBackendInterface";
- }
- }
- else return false;
- }
-
- return false;
-
-}
-
-function gwvp_GitLogProvider()
-{
- echo "<br>gitload provider loaded on homepage<br>";
-}
-
-function gwvp_repoPermissionCheck($repo, $user)
-{
- return true;
-}
-
-function gwvp_gitBackendInterface()
-{
- // and this is where i re-code the git backend interface from scratch
- global $BASE_URL;
-
- $repo_base = gwvp_getConfigVal("repodir");
-
- // TODO: we need to stop passing the repo name around as "repo.git", it needs to be just "repo"
-
-
- /* bizare git problem that ignores 403's or continues on with a push despite them
- error_log("FLAP for ".$_SERVER["REQUEST_URI"]);
- if(isset($_REQUEST)) {
- $dump = print_r($_REQUEST, true);
- error_log("FLAP, $dump");
- }
- if(isset($_SERVER["PHP_AUTH_USER"])) {
- error_log("FLAP: donut hole");
- }*/
-
-
-
-
- $repo = "";
- $repoid = false;
- $newloc = "/";
- if(isset($_REQUEST["q"])) {
- $query = $_REQUEST["q"];
- $qspl = explode("/", $query);
- // TODO do this with
- $repo = preg_replace("/\.git$/", "", $qspl[1]);
- $repoid = gwvp_GetRepoId($repo);
- for($i=2; $i < count($qspl); $i++) {
- $newloc .= "/".$qspl[$i];
- }
- }
-
- if($repoid == false) {
- gwvp_fourZeroFour();
- return;
- }
-
- // we do an update server cause its weird and i cant figure out when it actually needs to happen
- chdir("$repo_base/$repo.git");
- exec("/usr/bin/git update-server-info");
-
-
- // so now we have the repo
- // next we determine if this is a read or a write
- $write = false;
- if(isset($_REQUEST["service"])) {
- if($_REQUEST["service"] == "git-receive-pack") {
- error_log("got write as receivepack in post");
- $write = true;
- }
- }
- if($_SERVER["REQUEST_METHOD"] == "POST") {
- $write = true;
- }
- // THIS MAY CAUSE ISSUES LATER ON but we do it cause the git client ignores our 403 when it uses git-receive-pack after an auth
- // no, this isnt a solution cause auth'd read attempts will come up as writes...
- //if(isset($_SERVER["PHP_AUTH_USER"])) {
- //$write = true;
- //}
-
- // if its a write, we push for authentication
- if($write) {
- error_log("is write attempt, ask for login");
- $person = gwvp_checkBasicAuthLogin();
- if($person == false) {
- gwvp_AskForBasicAuth();
- return;
- } else {
- error_log("checking perms for $person against $repoid for repo $repo");
- $perms = gwvp_resolvRepoPerms(gwvp_getUserId(null, $person), $repoid);
- if($perms < 3) {
- error_log("perms are $perms and im not allowed");
- gwvp_fourZeroThree();
- exit(0);
- } else {
- // here we pass to the git backend
- error_log("perms are $perms and im allowed");
- gwvp_callGitBackend($person["username"], $repo);
- }
- }
- return;
- }
-
- // if not we figure out the anon permissions for a repo
- $perms = gwvp_resolvRepoPerms(-1, $repoid);
-
- // if they're less then read, we need to then check the user auth permissions
- if($perms < 2) {
- // we ask for auth
- $person = gwvp_checkBasicAuthLogin();
- if($person == false) {
- gwvp_AskForBasicAuth();
- return;
- } else {
- $perms = gwvp_resolvRepoPerms(gwvp_getUserId(null, $person), $repoid);
- if($perms < 3) {
- $dump = print_r($person, true);
- error_log("in basic read, called 403 for $perms $dump");
- gwvp_fourZeroThree();
- return;
- }
- }
- }
-
- // if we made it this far, we a read and we have permissions to do so, just search the file from the repo
- if(file_exists("$repo_base/$repo.git/$newloc")) {
- error_log("would ask $repo for $repo.git/$newloc from $repo_base/$repo.git/$newloc");
- $fh = fopen("$repo_base/$repo.git/$newloc", "rb");
-
- error_log("pushing file");
- while(!feof($fh)) {
- echo fread($fh, 8192);
- }
- } else {
- //echo "would ask $repo,$actual_repo_name for $repo/$newloc from $repo_base/$repo/$newloc, NE";
- gwvp_fourZeroFour();
- return;
- }
-
-}
-
-
-function gwvp_gitBackendInterface_old()
-{
- global $BASE_URL;
-
- $repo_base = gwvp_getConfigVal("repodir");
-
- $repo = "";
- $newloc = "/";
- if(isset($_REQUEST["q"])) {
- $query = $_REQUEST["q"];
- $qspl = explode("/", $query);
- $repo = $qspl[1];
- for($i=2; $i < count($qspl); $i++) {
- $newloc .= "/".$qspl[$i];
- }
- }
-
- $actual_repo_name = preg_replace("/\.git$/", "", $repo);
-
- $user = gwvp_checkBasicAuthLogin();
-
- if(!$user) {
- error_log("User is set to false, so its anonymouse");
- } else {
- error_log("user is $user");
- }
-
- // must remember that $user of false is anonymous when we code gwvp_repoPerm'sCheck()
- if(!gwvp_repoPermissionCheck($actual_repo_name, $user)) {
- error_log("perms check fails - start auth");
- if(isset($_SERVER["PHP_AUTH_USER"])) {
- error_log("have auth - push 403");
- gwvp_fourZeroThree();
- } else {
- error_log("push auth");
- gwvp_AskForBasicAuth();
- return;
- }
- }
-
- // we need to quite a bit of parsing in here. The "repo" will always be /git/repo.git
- // but if we get here from a browser, we need to forward back to a normal repo viewer
- // the only way i can think of doing this is to check the useragent for the word "git"
-
- /*
- * here we need to
- * 1) figure out the repo its acessing
- * 2) figure out the perms on the repo
- * 3) determine if its a pull or a push
- * - if its a pull, we just serve straight from the fs
- * - if its a push, we go thru git-http-backend
- * 4) if it requiers auth, we push to auth
- *
- */
- $agent = "git-unknown";
- $isgitagent = false;
-
- // tested the user agent bit with jgit from eclipse and normal git... seems to work
- if(isset($_SERVER["HTTP_USER_AGENT"])) {
- $agent = $_SERVER["HTTP_USER_AGENT"];
- error_log("in git backend with user agent $agent");
- if(stristr($agent, "git")!==false) {
- $isgitagent = true;
- }
- }
-
-
-
- /* dont need this code right now
- if($isgitagent) echo "GIT: i am a git backened interface for a repo $repo, agent $agent";
- else echo "NOT GIT: i am a git backened interface for a repo $repo, agent $agent";
- */
-
- // now we need to rebuild the actual request or do we?
- //$basegit = "$BASE_URL/git/something.git";
- //$newloc = preg_replace("/^$basegit/", "", $_SERVER["REQUEST_URI"]);
- chdir("$repo_base/$repo");
- exec("/usr/bin/git update-server-info");
-
- if($_SERVER["REQUEST_METHOD"] == "POST") {
- gwvp_AskForBasicAuth();
- gwvp_callGitBackend($repo);
- return;
- }
-
- if(isset($_REQUEST["service"])) {
- if($_REQUEST["service"] == "git-receive-pack") {
- // we are a write call - we need auth and we're going to the backend proper
- gwvp_AskForBasicAuth();
- gwvp_callGitBackend($repo);
- return;
- }
- }
-
-
- if(file_exists("$repo_base/$repo/$newloc")) {
- error_log("would ask $repo,$actual_repo_name for $repo/$newloc from $repo_base/$repo/$newloc");
- $fh = fopen("$repo_base/$repo/$newloc", "rb");
-
- error_log("pushing file");
- while(!feof($fh)) {
- echo fread($fh, 8192);
- }
- } else {
- echo "would ask $repo,$actual_repo_name for $repo/$newloc from $repo_base/$repo/$newloc, NE";
- header('HTTP/1.0 404 No Such Thing');
- return;
- }
-}
-
-function gwvp_canManageRepo($userid, $repoid)
-{
- // only the owner or an admin can do these tasks
- error_log("Checking repoid, $repoid against userid $userid");
-
- if(gwvp_IsUserAdmin(null, null, $userid)) return true;
- if(gwvp_IsRepoOwner($userid, $repoid)) return true;
- return false;
-}
-
-function gwvp_callGitBackend($username, $repo)
-{
- // this is where things become a nightmare
- $fh = fopen('php://input', "r");
-
- $ruri = $_SERVER["REQUEST_URI"];
- $strrem = "git/$repo.git";
- $euri = str_replace($strrem, "", $_REQUEST["q"]);
- //$euri = preg_replace("/^git\/$repo\.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";
- $procenv["PATH_TRANSLATED"] = "/tmp/$repo.git/$euri";
- $procenv["REQUEST_METHOD"] = "$rmeth";
- $procenv["GIT_HTTP_EXPORT_ALL"] = "1";
- $procenv["QUERY_STRING"] = "$qs";
- $procenv["HTTP_USER_AGENT"] = "git/1.7.1";
- $procenv["REMOTE_USER"] = "$username";
- $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"] = $_SERVER["CONTENT_LENGTH"];
- }
-
- error_log("path trans'd is /tmp/$repo.git/$euri from $ruri with ".$_REQUEST["q"]." $strrem");
-
-
-
-
- $pwd = "/tmp/";
-
- $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);
-
- $untilblank = false;
- while(!$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);
- }
-
- }
-
-
- $firstline = true;
- $continue = true;
-
- if(!stream_set_blocking($fh,0)) {
- error_log("cant set input non-blocking");
- }
-
- if(!stream_set_blocking($pipes[1],0)) {
- error_log("cant set pipe1 non-blocking");
- }
-
- // i was going to use stream_select, but i feel this works better like this
- while($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) {
- // i dont get why this happens, and its very frustrating.. im not sure if its a bug in php
- // or something the git-http-backend thing is doing..
- // TODO: find out why this happens
- $from_cgi_data = preg_replace("/^\r\n/", "", $from_cgi_data_t);
- if(strlen($from_cgi_data)!=strlen($from_cgi_data_t)) {
- error_log("MOOOKS - we did trunc");
- } else {
- error_log("MOOOKS - we did not trunc");
- }
- $firstline = false;
- }
- }
-
- if($from_cgi_data !== false) {
- echo $from_cgi_data;
- flush();
- }
- $cgi_len = strlen($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: \"$from_cgi_data\"");
- }
- }
- }
-
- }
-
-
- //fclose($fl);
- fclose($fh);
- fclose($pipes[1]);
- fclose($pipes[0]);
-}
-
-
-
-function gwvp_repoExists($name)
-{
- $repo_base = gwvp_getConfigVal("repodir");
-
- if(file_exists("$repo_base/$name.git")) return true;
- else return false;
-}
-
-// default perms:
-// 0 - anyone can clone/read, only owner can write
-// 1 - noone can clone/read, repo is visible (i.e. name), only owner can read/write repo
-// 2 - only owner can see anything
-function gwvp_createGitRepo($name, $ownerid, $desc, $bundle=null, $defaultperms=0)
-{
- $repo_base = gwvp_getConfigVal("repodir");
-
- // phew, this works, but i tell you this - bundles arent quite as nice as they should be
- if($bundle == null) {
- error_log("would create $repo_base/$name.git");
- exec("/usr/bin/git init $repo_base/$name.git --bare > /tmp/gitlog 2>&1");
- chdir("$repo_base/$name.git");
- exec("/usr/bin/git update-server-info");
- } else {
- error_log("create via mirror on $repo_base/$name.git");
- exec("/usr/bin/git clone --mirror $bundle $repo_base/$name.git > /tmp/gitlog 2>&1");
- chdir("$repo_base/$name.git");
- exec("/usr/bin/git update-server-info");
- }
-
- // gwvp_AddRepo($reponame, $repodesc, $repoowner, $defaultperms = 0)
- gwvp_AddRepo($name, $desc, $ownerid, $defaultperms);
-
- return true;
-}
-
-// this funciton returns one of three things, read, visible, write, none
-// as
-// 0 - none
-// 1 - visible
-// 2 - read
-// 3 - write
-// 4 - owner/administrator
-function gwvp_resolvRepoPerms($userid, $repoid)
-{
- $ownerid = gwvp_getRepoOwner($repoid);
- $isadmin = gwvp_IsUserAdmin(null, null, $userid);
-
- error_log("USerid is $userid, ownerid $ownerid");
-
- if($isadmin) return 4;
-
- if($userid == $ownerid) return 4;
-
- // now we load the perms table and pray
- $repoperms = gwvp_getRepoPermissions($repoid);
- $usergroups = gwvp_getGroupsForUser(null, $userid);
-
- $maxperm = 0;
- if($repoperms != false) foreach($repoperms as $perm) {
- // need to go thru each perm, then check it agains the user we're trying to figure
- // the perms on
- switch($perm["type"]) {
- case "read":
- $permval = 2;
- break;
- case "visible":
- $permval = 1;
- break;
- case "write":
- $permval = 3;
- break;
- default:
- $permval = 0;
- }
-
- // we only var if permval is greater then current
- if($permval > $maxperm) {
- //error_log("going into check for $maxperm/$permval, ".$perm["ref"]);
- if($perm["ref"] == "anon") {
- $maxperm = $permval;
- } else if($perm["ref"] == "authed") {
- $maxperm = $permval;
- } else {
- // now we do splits
- $spl = explode(":", $perm["ref"]);
- $idtype = $spl[0];
- $idval = $spl[1];
- if($idtype == "group") {
- // function gwvp_IsGroupMember($email, $groupname)
- if(gwvp_IsGroupMemberById($userid, $idval)) $maxperm = $permval;
- } else if ($idtype == "user") {
- //error_log("checking $userid, $idval");
- if($userid == $idval) $maxperm = $permval;
- }
- }
- }
- }
-
- // thats TOTALLY going to work... -_0 we should really write a unit test for this, but thats a bit
- // hard given the db req's so for now, we'll leave it as is
- return $maxperm;
-}
-
-?>
\ No newline at end of file
projects / gwvp.git / blobdiff