}
+function gwvpmini_CreateRepoHooks($repopath, $cmdpath, $reponame)
+{
+ $fp = fopen("$repopath/hooks/pre-receive", "w");
+
+ if(!$fp) error_log("could not create pre-receive hook");
+
+ // TODO: think about this one
+ //$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";
+ $script = "#!/bin/bash\n\nDCOMMIT=".'`cat`'."\n\nphp $cmdpath $reponame \$REMOTE_USER pre-receive \$DCOMMIT\n\n";
+ fwrite($fp, $script);
+
+ fclose($fp);
+
+ chmod("$repopath/hooks/pre-receive", 0755);
+
+
+ $fp = fopen("$repopath/hooks/update", "w");
+
+ if(!$fp) error_log("could not create update hook");
+
+ // TODO: think about this one
+ unset($script);
+ $script = "#!/bin/bash\n\nphp $cmdpath $reponame \$REMOTE_USER update \$1 \$2 \$3\n\n";
+ fwrite($fp, $script);
+
+ fclose($fp);
+
+ chmod("$repopath/hooks/update", 0755);
+}
+
function gwvpmini_gitBackendInterface()
{
// and this is where i re-code the git backend interface from scratch
- global $BASE_URL;
+ global $BASE_URL, $cmd_line_tool;
+
+ header_remove("Pragma");\r
+ header_remove("Cache-Control");\r
+ header_remove("Set-Cookie");\r
+ header_remove("Expires");\r
+ header_remove("X-Powered-By");\r
+ header_remove("Vary");
+ //header("Content-Encoding: none");\r
+
$repo_base = gwvpmini_getConfigVal("repodir");
/* bizare git problem that ignores 403's or continues on with a push despite them
- error_log("FLAP for ".$_SERVER["REQUEST_URI"]);
+ // error_log("FLAP for ".$_SERVER["REQUEST_URI"]);
if(isset($_REQUEST)) {
$dump = print_r($_REQUEST, true);
- error_log("FLAP, $dump");
+ // error_log("FLAP, $dump");
}
if(isset($_SERVER["PHP_AUTH_USER"])) {
- error_log("FLAP: donut hole");
+ // error_log("FLAP: donut hole");
}*/
-
+ error_log("REQUESTINBACKEND: ".print_r($_REQUEST, true));
$repo = "";
$repoid = false;
// we do an update server cause its weird and i cant figure out when it actually needs to happen
chdir("$repo_base/$repo.git");
- exec("/usr/bin/git update-server-info");
+ // dont believe i have to do this
+ //exec("/usr/bin/git update-server-info");
+
+ if(!file_exists("$repo_base/$repo.git/hooks/pre-receive") || !file_exists("$repo_base/$repo.git/hooks/update")) {
+ // error_log("WRITING HOOKS");
+ gwvpmini_CreateRepoHooks("$repo_base/$repo.git", $cmd_line_tool, $repo);
+ }
// so now we have the repo
// next we determine if this is a read or a write
+
+ // TODO: WE NEED TO FIX THIS, IT DOESNT ALWAYS DETECT a "WRITE"
$write = false;
if(isset($_REQUEST["service"])) {
if($_REQUEST["service"] == "git-receive-pack") {
- error_log("got write as receivepack in post");
+ // error_log("got write as receivepack in post");
$write = true;
}
}
- if($_SERVER["REQUEST_METHOD"] == "POST") {
- $write = true;
- }
-
+ if(preg_match("/.*git-receive-pack$/", $_REQUEST["q"])) $write = true;
//$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...
//$write = true;
//}
- $perms = 5;
+ $person = gwvpmini_checkBasicAuthLogin();
//$write = true;
+ // next, figure out permissions for repo
+ $rid = gwvpmini_GetRepoId($repo);
+ $uid = -1;
+ // error_log("AT THIS POINT WE HAVE $uid, $rid, $repo $person");
- // if its a write, we push for authentication
- if($write) {
- error_log("is write attempt, ask for login");
- $person = gwvpmini_checkBasicAuthLogin();
- if($person == false) {
- error_log("person is false, push auth");
+ if(!$person) {
+ if($write) {
+ // error_log("ASK FOR BASIC AUTH");
gwvpmini_AskForBasicAuth();
- echo "Login";
return;
} else {
- error_log("checking perms for $person against $repoid for repo $repo");
- // here we pass to the git backend
- error_log("perms are $perms and im allowed");
- gwvpmini_callGitBackend($person["username"], $repo);
+ $perm = gwvpmini_GetRepoPerm($rid, "a");
+ if($perm < 1) {
+ // error_log("ASK FOR BASIC AUTH 2");
+ gwvpmini_AskForBasicAuth();
+ return;
+ }
+ }
+ } else {
+ $uid = gwvpmini_GetUserId($person);
+ $perm = gwvpmini_GetRepoPerm($rid, $uid);
+ if($write) {
+ if($perm < 2) {
+ // error_log("SEND FOFF");
+ gwvpmini_fourZeroThree();
+ return;
+ }
+ } else {
+ if($perm < 1) {
+ gwvpmini_fourZeroThree();
+ return;
+ }
}
- return;
}
+ // if its a write, we push for authentication
- // if they're less then read, we need to then check the user auth permissions
- if($perms < 2) {
- // we ask for auth
- $person = gwvpmini_checkBasicAuthLogin();
- if($person == false) {
- gwvpmini_AskForBasicAuth();
- return;
- } else {
- }
+ //if($write) {
+ if(!$person) {
+ $person = "anonymous";
+ }
+
+ // if its a write, we check (before and after) the branch/tag info to see if they were updated
+ if($write) {
+ error_log("REQUESTINBACKEND: processed as write");
+ } else {
+ error_log("REQUESTINBACKEND: processed as read");
}
+ gwvpmini_callGitBackend($person, $repo);
+
+ //if($write) {
+ //}
+ 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/$newloc");
+ /*if(file_exists("$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");
+ // 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";
+ // error_log("would ask $repo for $repo/$newloc from $repo_base/$repo/$newloc, NE");
gwvpmini_fourZeroFour();
return;
- }
+ }*/
}
function gwvpmini_canManageRepo($userid, $repoid)
{
// only the owner or an admin can do these tasks
- error_log("Checking repoid, $repoid against userid $userid");
+ // error_log("Checking repoid, $repoid against userid $userid");
if(gwvpmini_IsUserAdmin(null, null, $userid)) return true;
if(gwvpmini_IsRepoOwner($userid, $repoid)) return true;
return false;
}
+
+// TODO: this whole bit needs a re-write
function gwvpmini_callGitBackend($username, $repo)
{
// this is where things become a nightmare
$qs = "";
foreach($_REQUEST as $key => $var) {
if($key != "q") {
- //error_log("adding, $var from $key");
+ //// error_log("adding, $var from $key");
if($qs == "") $qs.="$key=$var";
else $qs.="&$key=$var";
}
//sleep(2);
-
+ $userdets = gwvpmini_getUser($username);
// this is where the fun, it ends.
$myoutput = "";
$procenv["GATEWAY_INTERFACE"] = "CGI/1.1";
$procenv["PATH_TRANSLATED"] = "/$repo_base/$repo.git/$euri";
$procenv["REQUEST_METHOD"] = "$rmeth";
+ $procenv["GIT_COMMITTER_NAME"] = $userdets["fullname"];
+ $procenv["GIT_COMMITTER_EMAIL"] = $userdets["email"];
$procenv["GIT_HTTP_EXPORT_ALL"] = "1";
$procenv["QUERY_STRING"] = "$qs";
$procenv["HTTP_USER_AGENT"] = "git/1.7.1";
$procenv["REMOTE_ADDR"] = $_SERVER["REMOTE_ADDR"];
$procenv["AUTH_TYPE"] = "Basic";
+ //// error_log("PROCENV: ".print_r($procenv,true));
+
if(isset($_SERVER["CONTENT_TYPE"])) {
$procenv["CONTENT_TYPE"] = $_SERVER["CONTENT_TYPE"];
} else {
if(isset($_SERVER["CONTENT_LENGTH"])) {
$procenv["CONTENT_LENGTH"] = $_SERVER["CONTENT_LENGTH"];
}
+
+ $headers = getallheaders();
- error_log("path trans'd is /$repo_base/$repo.git/$euri from $ruri with ".$_REQUEST["q"]." $strrem");
-
-
+ error_log("path trans'd is /$repo_base/$repo.git/$euri from $ruri with ".$_REQUEST["q"]." $strrem pre is ".print_r($_REQUEST,true)." and foff ".print_r($headers, true));
-
$pwd = "/$repo_base/";
$proc = proc_open("/usr/lib/git-core/git-http-backend", array(array("pipe","rb"),array("pipe","wb"),array("file","/tmp/err", "a")), $pipes, $pwd, $procenv);
while(!$untilblank&&!feof($pipes[1])) {
$lines_t = fgets($pipes[1]);
$lines = trim($lines_t);
- error_log("got line: $lines");
+ // error_log("got line: $lines");
if($lines_t == "\r\n") {
$untilblank = true;
- error_log("now blank");
+ // error_log("now blank");
} else header($lines);
if($lines === false) {
- error_log("got an unexpexted exit...");
+ // error_log("got an unexpexted exit...");
exit(0);
}
$continue = true;
if(!stream_set_blocking($fh,0)) {
- error_log("cant set input non-blocking");
+ // error_log("cant set input non-blocking");
}
if(!stream_set_blocking($pipes[1],0)) {
- error_log("cant set pipe1 non-blocking");
+ // error_log("cant set pipe1 non-blocking");
}
+
+ $stlimit = 0;
+ $fp = fopen("/tmp/gitup.".rand(0,4000000), "w");
+ $from_client_data = "";
// i was going to use stream_select, but i feel this works better like this
while($continue) {
// do client
+
+ // lets start again....
+
if(!feof($fh)) {
- $from_client_data = fread($fh,8192);
- if($from_client_data !== false) fwrite($pipes[0], $from_client_data);
+ if(isset($headers["Content-Length"])) {
+ $cl = $headers["Content-Length"];
+ while(strlen($from_client_data) < $cl) {
+ error_log("re-read ".strlen($from_client_data));
+ $from_client_data .= fread($fh, $cl);
+ }
+ } else $from_client_data = fread($fh,8192);
+
+ // TODO: BIG TODO: must rewrite this bit. its ugly as sin, it works, but it probably shouldnt.
+
+ if(isset($headers["Content-Encoding"])) {
+ if($headers["Content-Encoding"] == "gzip") {
+ //error_log("DAM YOU GIT CLIENT and your retarded gzip encoding");
+ $from_client_data = gzinflate(substr($from_client_data, 10));
+ //$from_client_data = gzdecode($from_client_data);
+ }
+ }
+ if($from_client_data !== false) {
+ fwrite($pipes[0], $from_client_data);
+ fwrite($fp, $from_client_data);
+ }
fflush($pipes[0]);
//fwrite($fl, $from_client_data);
$client_len = strlen($from_client_data);
} else {
error_log("client end");
$client_len = 0;
+ //$continue = false;
}
+
+
+
// 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($from_cgi_data !== false) {
+ error_log("send to client");
echo $from_cgi_data;
flush();
}
$cgi_len = strlen($from_cgi_data);
} else {
- error_log("cgi end");
+ // error_log("cgi end");
$cgi_len = 0;
}
+ flush();
+
if(feof($pipes[1])) $continue = false;
else {
if($client_len == 0 && $cgi_len == 0) {
usleep(200000);
error_log("sleep tick");
+ $stlimit++;
+ if($stlimit > 5000) $continue = false;
} else {
+ $stlimit = 0;
error_log("sizes: $client_len, $cgi_len");
if($cgi_len > 0) {
- error_log("from cgi: \"$from_cgi_data\"");
+ //error_log("from cgi: \"$from_cgi_data\"");
}
}
}
}
+ flush();
+ error_log("and im done...");
+
//fclose($fl);
fclose($fh);
fclose($pipes[1]);
fclose($pipes[0]);
+
+ exit(0);
}
// 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 gwvpmini_createGitRepo($name, $ownerid, $desc)
+function gwvpmini_createGitRepo($name, $ownerid, $desc, $defperms, $clonefrom, $isremoteclone)
{
+ global $cmd_line_tool;
+
$repo_base = gwvpmini_getConfigVal("repodir");
+ if($clonefrom !== false) {
+ error_log("how did i end up in clonefrom? $clonefrom");
+ if(!$isremoteclone) {
+ exec("/usr/bin/git clone --bare $repo_base/$clonefrom.git $repo_base/$name.git >> /tmp/gitlog 2>&1");
+ gwvpmini_AddRepo($name, $desc, $ownerid, $defperms, $clonefrom);
+ } else {
+ // we do this from an outside call in the background
+ $cmd = "/usr/bin/php $cmd_line_tool $clonefrom $name backgroundclone >> /tmp/gitlog 2>&1 &";
+ error_log("cmd called as $cmd");
+ exec($cmd);
+ gwvpmini_AddRepo($name, $desc, $ownerid, $defperms, $clonefrom);
+ $rn = gwvpmini_getRepo(null, $name, null);
+ $rid = $rn["id"];
+ gwvpmini_SetRepoCloning($rid);
+ gwvpmini_SendMessageByDb("info", "Background clone initiated for $name ($rid) from $clonefrom... your repo will be available once the background clone is finished", $ownerid);
+ return false;
+ }
+ } else {
+
// phew, this works, but i tell you this - bundles arent quite as nice as they should be
- 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");
-
- // gwvpmini_AddRepo($reponame, $repodesc, $repoowner, $defaultperms = 0)
- gwvpmini_AddRepo($name, $desc, $ownerid);
+ // 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");
+
+ // gwvpmini_AddRepo($reponame, $repodesc, $repoowner, $defaultperms = 0)
+ gwvpmini_AddRepo($name, $desc, $ownerid, $defperms, $clonefrom);
+ }
return true;
}
-
+function gzdecode($data,&$filename='',&$error='',$maxlength=null)\r
+{\r
+ $len = strlen($data);\r
+ if ($len < 18 || strcmp(substr($data,0,2),"\x1f\x8b")) {\r
+ $error = "Not in GZIP format.";\r
+ return null; // Not GZIP format (See RFC 1952)\r
+ }\r
+ $method = ord(substr($data,2,1)); // Compression method\r
+ $flags = ord(substr($data,3,1)); // Flags\r
+ if ($flags & 31 != $flags) {\r
+ $error = "Reserved bits not allowed.";\r
+ return null;\r
+ }\r
+ // NOTE: $mtime may be negative (PHP integer limitations)\r
+ $mtime = unpack("V", substr($data,4,4));\r
+ $mtime = $mtime[1];\r
+ $xfl = substr($data,8,1);\r
+ $os = substr($data,8,1);\r
+ $headerlen = 10;\r
+ $extralen = 0;\r
+ $extra = "";\r
+ if ($flags & 4) {\r
+ // 2-byte length prefixed EXTRA data in header\r
+ if ($len - $headerlen - 2 < 8) {\r
+ return false; // invalid\r
+ }\r
+ $extralen = unpack("v",substr($data,8,2));\r
+ $extralen = $extralen[1];\r
+ if ($len - $headerlen - 2 - $extralen < 8) {\r
+ return false; // invalid\r
+ }\r
+ $extra = substr($data,10,$extralen);\r
+ $headerlen += 2 + $extralen;\r
+ }\r
+ $filenamelen = 0;\r
+ $filename = "";\r
+ if ($flags & 8) {\r
+ // C-style string\r
+ if ($len - $headerlen - 1 < 8) {\r
+ return false; // invalid\r
+ }\r
+ $filenamelen = strpos(substr($data,$headerlen),chr(0));\r
+ if ($filenamelen === false || $len - $headerlen - $filenamelen - 1 < 8) {\r
+ return false; // invalid\r
+ }\r
+ $filename = substr($data,$headerlen,$filenamelen);\r
+ $headerlen += $filenamelen + 1;\r
+ }\r
+ $commentlen = 0;\r
+ $comment = "";\r
+ if ($flags & 16) {\r
+ // C-style string COMMENT data in header\r
+ if ($len - $headerlen - 1 < 8) {\r
+ return false; // invalid\r
+ }\r
+ $commentlen = strpos(substr($data,$headerlen),chr(0));\r
+ if ($commentlen === false || $len - $headerlen - $commentlen - 1 < 8) {\r
+ return false; // Invalid header format\r
+ }\r
+ $comment = substr($data,$headerlen,$commentlen);\r
+ $headerlen += $commentlen + 1;\r
+ }\r
+ $headercrc = "";\r
+ if ($flags & 2) {\r
+ // 2-bytes (lowest order) of CRC32 on header present\r
+ if ($len - $headerlen - 2 < 8) {\r
+ return false; // invalid\r
+ }\r
+ $calccrc = crc32(substr($data,0,$headerlen)) & 0xffff;\r
+ $headercrc = unpack("v", substr($data,$headerlen,2));\r
+ $headercrc = $headercrc[1];\r
+ if ($headercrc != $calccrc) {\r
+ $error = "Header checksum failed.";\r
+ return false; // Bad header CRC\r
+ }\r
+ $headerlen += 2;\r
+ }\r
+ // GZIP FOOTER\r
+ $datacrc = unpack("V",substr($data,-8,4));\r
+ $datacrc = sprintf('%u',$datacrc[1] & 0xFFFFFFFF);\r
+ $isize = unpack("V",substr($data,-4));\r
+ $isize = $isize[1];\r
+ // decompression:\r
+ $bodylen = $len-$headerlen-8;\r
+ if ($bodylen < 1) {\r
+ // IMPLEMENTATION BUG!\r
+ return null;\r
+ }\r
+ $body = substr($data,$headerlen,$bodylen);\r
+ $data = "";\r
+ if ($bodylen > 0) {\r
+ switch ($method) {\r
+ case 8:\r
+ // Currently the only supported compression method:\r
+ $data = gzinflate($body,$maxlength);\r
+ break;\r
+ default:\r
+ $error = "Unknown compression method.";\r
+ return false;\r
+ }\r
+ } // zero-byte body content is allowed\r
+ // Verifiy CRC32\r
+ $crc = sprintf("%u",crc32($data));\r
+ $crcOK = $crc == $datacrc;\r
+ $lenOK = $isize == strlen($data);\r
+ if (!$lenOK || !$crcOK) {\r
+ $error = ( $lenOK ? '' : 'Length check FAILED. ') . ( $crcOK ? '' : 'Checksum FAILED.');\r
+ return false;\r
+ }\r
+ return $data;\r
+}
?>
\ No newline at end of file