mirror of
https://gitlab.archlinux.org/archlinux/aurweb.git
synced 2025-02-03 10:43:03 +01:00
323d418f02
Wrap mysql_real_escape_string() in a wrapper function db_escape_string() to ease porting to other databases, and as another step to pulling more of the database code into a central location. This is a rebased version of a patch by elij submitted about half a year ago. Thanks-to: elij <elij.mx@gmail.com> Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
511 lines
15 KiB
PHP
511 lines
15 KiB
PHP
<?php
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set_include_path(get_include_path() . PATH_SEPARATOR . '../lib');
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include_once("config.inc.php");
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require_once('Archive/Tar.php');
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include_once("aur.inc.php"); # access AUR common functions
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include_once("pkgfuncs.inc.php"); # package functions
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set_lang(); # this sets up the visitor's language
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check_sid(); # see if they're still logged in
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$cwd = getcwd();
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if ($_COOKIE["AURSID"]) {
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$uid = uid_from_sid($_COOKIE['AURSID']);
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}
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else {
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$uid = NULL;
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}
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if ($uid):
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# Track upload errors
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$error = "";
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if (isset($_REQUEST['pkgsubmit'])) {
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# Before processing, make sure we even have a file
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if ($_FILES['pfile']['size'] == 0){
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$error = __("Error - No file uploaded");
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}
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# Check whether the file is gzip'ed
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if (!$error) {
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$fh = fopen($_FILES['pfile']['tmp_name'], 'rb');
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fseek($fh, 0, SEEK_SET);
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list(, $magic) = unpack('v', fread($fh, 2));
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if ($magic != 0x8b1f) {
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$error = __("Error - unsupported file format (please submit gzip'ed tarballs generated by makepkg(8) only).");
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}
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}
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# Check uncompressed file size (ZIP bomb protection)
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if (!$error && $MAX_FILESIZE_UNCOMPRESSED) {
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fseek($fh, -4, SEEK_END);
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list(, $filesize_uncompressed) = unpack('V', fread($fh, 4));
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if ($filesize_uncompressed > $MAX_FILESIZE_UNCOMPRESSED) {
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$error = __("Error - uncompressed file size too large.");
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}
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}
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# Close file handle before extracting stuff
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if (isset($fh) && is_resource($fh)) {
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fclose($fh);
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}
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if (!$error) {
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$tar = new Archive_Tar($_FILES['pfile']['tmp_name']);
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# Extract PKGBUILD into a string
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$pkgbuild_raw = '';
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$dircount = 0;
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foreach ($tar->listContent() as $tar_file) {
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if (preg_match('/^[^\/]+\/PKGBUILD$/', $tar_file['filename'])) {
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$pkgbuild_raw = $tar->extractInString($tar_file['filename']);
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}
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elseif (preg_match('/^[^\/]+\/$/', $tar_file['filename'])) {
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if (++$dircount > 1) {
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$error = __("Error - source tarball may not contain more than one directory.");
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break;
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}
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}
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elseif (preg_match('/^[^\/]+$/', $tar_file['filename'])) {
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$error = __("Error - source tarball may not contain files outside a directory.");
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break;
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}
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elseif (preg_match('/^[^\/]+\/[^\/]+\//', $tar_file['filename'])) {
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$error = __("Error - source tarball may not contain nested subdirectories.");
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break;
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}
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}
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if (!$error && empty($pkgbuild_raw)) {
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$error = __("Error trying to unpack upload - PKGBUILD does not exist.");
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}
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}
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# if no error, get list of directory contents and process PKGBUILD
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# TODO: This needs to be completely rewritten to support stuff like arrays
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# and variable substitution among other things.
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if (!$error) {
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# process PKGBUILD - remove line concatenation
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#
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$pkgbuild = array();
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$line_no = 0;
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$lines = array();
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$continuation_line = 0;
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$current_line = "";
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$paren_depth = 0;
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foreach (explode("\n", $pkgbuild_raw) as $line) {
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$line = trim($line);
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# Remove comments
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$line = preg_replace('/\s*#.*/', '', $line);
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$char_counts = count_chars($line, 0);
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$paren_depth += $char_counts[ord('(')] - $char_counts[ord(')')];
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if (substr($line, strlen($line)-1) == "\\") {
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# continue appending onto existing line_no
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#
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$current_line .= substr($line, 0, strlen($line)-1);
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$continuation_line = 1;
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} elseif ($paren_depth > 0) {
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# assumed continuation
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# continue appending onto existing line_no
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#
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$current_line .= $line . " ";
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$continuation_line = 1;
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} else {
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# maybe the last line in a continuation, or a standalone line?
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#
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if ($continuation_line) {
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# append onto existing line_no
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#
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$current_line .= $line;
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$lines[$line_no] = $current_line;
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$current_line = "";
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} else {
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# it's own line_no
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#
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$lines[$line_no] = $line;
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}
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$continuation_line = 0;
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$line_no++;
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}
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}
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# Now process the lines and put any var=val lines into the
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# 'pkgbuild' array.
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while (list($k, $line) = each($lines)) {
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# Neutralize parameter substitution
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$line = preg_replace('/\${(\w+)#(\w*)}?/', '$1$2', $line);
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$lparts = Array();
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# Match variable assignment only.
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if (preg_match('/^\s*[_\w]+=[^=].*/', $line, $matches)) {
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$lparts = explode("=", $matches[0], 2);
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}
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if (!empty($lparts)) {
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# this is a variable/value pair, strip out
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# array parens and any quoting, except in pkgdesc
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# for pkgdesc, only remove start/end pairs of " or '
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if ($lparts[0]=="pkgdesc") {
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if ($lparts[1]{0} == '"' &&
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$lparts[1]{strlen($lparts[1])-1} == '"') {
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$pkgbuild[$lparts[0]] = substr($lparts[1], 1, -1);
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}
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elseif
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($lparts[1]{0} == "'" &&
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$lparts[1]{strlen($lparts[1])-1} == "'") {
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$pkgbuild[$lparts[0]] = substr($lparts[1], 1, -1);
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} else {
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$pkgbuild[$lparts[0]] = $lparts[1];
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}
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} else {
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$pkgbuild[$lparts[0]] = str_replace(array("(",")","\"","'"), "",
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$lparts[1]);
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}
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}
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}
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# some error checking on PKGBUILD contents - just make sure each
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# variable has a value. This does not do any validity checking
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# on the values, or attempts to fix line continuation/wrapping.
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$req_vars = array("url", "pkgdesc", "license", "pkgrel", "pkgver", "arch", "pkgname");
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foreach ($req_vars as $var) {
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if (!array_key_exists($var, $pkgbuild)) {
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$error = __('Missing %s variable in PKGBUILD.', $var);
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break;
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}
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}
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}
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# TODO This is where other additional error checking can be
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# performed. Examples: #md5sums == #sources?, md5sums of any
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# included files match?, install scriptlet file exists?
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#
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# Check for http:// or other protocol in url
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#
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if (!$error) {
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$parsed_url = parse_url($pkgbuild['url']);
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if (!$parsed_url['scheme']) {
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$error = __("Package URL is missing a protocol (ie. http:// ,ftp://)");
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}
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}
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# Now, run through the pkgbuild array, and do "eval" and simple substituions.
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if (!$error) {
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while (list($k, $v) = each($pkgbuild)) {
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if (strpos($k,'eval ') !== false) {
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$k = preg_replace('/^eval[\s]*/', "", $k);
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##"eval" replacements
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$pattern_eval = '/{\$({?)([\w]+)(}?)}/';
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while (preg_match($pattern_eval,$v,$regs)) {
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$pieces = explode(",",$pkgbuild["$regs[2]"]);
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## nongreedy matching! - preserving the order of "eval"
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$pattern = '/([\S]*?){\$'.$regs[1].$regs[2].$regs[3].'}([\S]*)/';
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while (preg_match($pattern,$v,$regs_replace)) {
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$replacement = "";
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for ($i = 0; $i < sizeof($pieces); $i++) {
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$replacement .= $regs_replace[1].$pieces[$i].$regs_replace[2]." ";
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}
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$v=preg_replace($pattern, $replacement, $v, 1);
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}
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}
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}
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# Simple variable replacement
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$pattern_var = '/\$({?)([_\w]+)(}?)/';
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$offset = 0;
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while (preg_match($pattern_var, $v, $regs, PREG_OFFSET_CAPTURE, $offset)) {
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$var = $regs[2][0];
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$pos = $regs[0][1];
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$len = strlen($regs[0][0]);
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if (isset($new_pkgbuild[$var])) {
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$replacement = substr($new_pkgbuild[$var], strpos($new_pkgbuild[$var], " "));
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}
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else {
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$replacement = '';
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}
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$v = substr_replace($v, $replacement, $pos, $len);
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$offset = $pos + strlen($replacement);
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}
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$new_pkgbuild[$k] = $v;
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}
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}
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# Now we've parsed the pkgbuild, let's move it to where it belongs
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if (!$error) {
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$pkg_name = str_replace("'", "", $new_pkgbuild['pkgname']);
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$pkg_name = escapeshellarg($pkg_name);
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$pkg_name = str_replace("'", "", $pkg_name);
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$presult = preg_match("/^[a-z0-9][a-z0-9\.+_-]*$/", $pkg_name);
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if (!$presult) {
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$error = __("Invalid name: only lowercase letters are allowed.");
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}
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}
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if (isset($pkg_name)) {
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$incoming_pkgdir = INCOMING_DIR . substr($pkg_name, 0, 2) . "/" . $pkg_name;
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}
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if (!$error) {
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# First, see if this package already exists, and if it can be overwritten
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$pkg_id = pkgid_from_name($pkg_name);
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if (can_submit_pkg($pkg_name, $_COOKIE["AURSID"])) {
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if (file_exists($incoming_pkgdir)) {
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# Blow away the existing file/dir and contents
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rm_tree($incoming_pkgdir);
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}
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# The mode is masked by the current umask, so not as scary as it looks
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if (!mkdir($incoming_pkgdir, 0777, true)) {
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$error = __( "Could not create directory %s.", $incoming_pkgdir);
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}
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} else {
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$error = __( "You are not allowed to overwrite the %s%s%s package.", "<b>", $pkg_name, "</b>");
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}
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if (!$error) {
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# Check if package name is blacklisted.
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if (!$pkg_id && pkgname_is_blacklisted($pkg_name)) {
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if (!canSubmitBlacklisted(account_from_sid($_COOKIE["AURSID"]))) {
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$error = __( "%s is on the package blacklist, please check if it's available in the official repos.", $pkg_name);
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}
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}
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}
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}
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if (!$error) {
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if (!chdir($incoming_pkgdir)) {
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$error = __("Could not change directory to %s.", $incoming_pkgdir);
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}
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file_put_contents('PKGBUILD', $pkgbuild_raw);
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move_uploaded_file($_FILES['pfile']['tmp_name'], $pkg_name . '.tar.gz');
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}
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# Update the backend database
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if (!$error) {
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$dbh = db_connect();
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db_query("BEGIN", $dbh);
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$q = "SELECT * FROM Packages WHERE Name = '" . db_escape_string($new_pkgbuild['pkgname']) . "'";
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$result = db_query($q, $dbh);
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$pdata = mysql_fetch_assoc($result);
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if (isset($new_pkgbuild['epoch']) && (int)$new_pkgbuild['epoch'] > 0) {
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$pkg_version = sprintf('%d:%s-%s', $new_pkgbuild['epoch'], $new_pkgbuild['pkgver'], $new_pkgbuild['pkgrel']);
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} else {
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$pkg_version = sprintf('%s-%s', $new_pkgbuild['pkgver'], $new_pkgbuild['pkgrel']);
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}
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# Check the category to use, "1" meaning "none" (or "keep category" for
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# existing packages).
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if (isset($_POST['category'])) {
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$category_id = intval($_POST['category']);
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if ($category_id <= 0) {
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$category_id = 1;
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}
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}
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else {
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$category_id = 1;
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}
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if ($pdata) {
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# This is an overwrite of an existing package, the database ID
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# needs to be preserved so that any votes are retained. However,
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# PackageDepends and PackageSources can be purged.
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$packageID = $pdata["ID"];
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# Flush out old data that will be replaced with new data
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$q = "DELETE FROM PackageDepends WHERE PackageID = " . $packageID;
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db_query($q, $dbh);
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$q = "DELETE FROM PackageSources WHERE PackageID = " . $packageID;
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db_query($q, $dbh);
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# If a new category was chosen, change it to that
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if ($category_id > 1) {
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$q = sprintf( "UPDATE Packages SET CategoryID = %d WHERE ID = %d",
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$category_id,
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$packageID);
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db_query($q, $dbh);
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}
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# Update package data
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$q = sprintf("UPDATE Packages SET ModifiedTS = UNIX_TIMESTAMP(), Name = '%s', Version = '%s', License = '%s', Description = '%s', URL = '%s', OutOfDateTS = NULL, MaintainerUID = %d WHERE ID = %d",
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db_escape_string($new_pkgbuild['pkgname']),
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db_escape_string($pkg_version),
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db_escape_string($new_pkgbuild['license']),
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db_escape_string($new_pkgbuild['pkgdesc']),
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db_escape_string($new_pkgbuild['url']),
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$uid,
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$packageID);
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db_query($q, $dbh);
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} else {
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# This is a brand new package
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$q = sprintf("INSERT INTO Packages (Name, License, Version, CategoryID, Description, URL, SubmittedTS, ModifiedTS, SubmitterUID, MaintainerUID) VALUES ('%s', '%s', '%s', %d, '%s', '%s', UNIX_TIMESTAMP(), UNIX_TIMESTAMP(), %d, %d)",
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db_escape_string($new_pkgbuild['pkgname']),
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db_escape_string($new_pkgbuild['license']),
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db_escape_string($pkg_version),
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$category_id,
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db_escape_string($new_pkgbuild['pkgdesc']),
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db_escape_string($new_pkgbuild['url']),
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$uid,
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$uid);
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db_query($q, $dbh);
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$packageID = mysql_insert_id($dbh);
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}
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# Update package depends
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$depends = explode(" ", $new_pkgbuild['depends']);
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if ($depends !== false) {
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foreach ($depends as $dep) {
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$deppkgname = preg_replace("/(<|<=|=|>=|>).*/", "", $dep);
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$depcondition = str_replace($deppkgname, "", $dep);
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if ($deppkgname == "") {
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continue;
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}
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else if ($deppkgname == "#") {
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break;
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}
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$q = sprintf("INSERT INTO PackageDepends (PackageID, DepName, DepCondition) VALUES (%d, '%s', '%s')",
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$packageID,
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db_escape_string($deppkgname),
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db_escape_string($depcondition));
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db_query($q, $dbh);
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}
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}
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# Insert sources
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$sources = explode(" ", $new_pkgbuild['source']);
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foreach ($sources as $src) {
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if ($src != "" ) {
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$q = "INSERT INTO PackageSources (PackageID, Source) VALUES (";
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$q .= $packageID . ", '" . db_escape_string($src) . "')";
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db_query($q, $dbh);
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}
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}
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# If we just created this package, or it was an orphan and we
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# auto-adopted, add submitting user to the notification list.
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if (!$pdata || $pdata["MaintainerUID"] === NULL) {
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pkg_notify(account_from_sid($_COOKIE["AURSID"], $dbh), array($packageID), true, $dbh);
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}
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# Entire package creation process is atomic
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db_query("COMMIT", $dbh);
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header('Location: packages.php?ID=' . $packageID);
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}
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chdir($cwd);
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}
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# Logic over, let's do some output
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html_header("Submit");
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?>
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<?php if ($error): ?>
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<p class="pkgoutput"><?php print $error ?></p>
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<?php endif; ?>
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<div class="pgbox">
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<div class="pgboxtitle">
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<span class="f3"><?php print __("Submit"); ?></span>
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</div>
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<div class="pgboxbody">
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<p><?php echo __("Upload your source packages here. Create source packages with `makepkg --source`.") ?></p>
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<?php
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if (empty($_REQUEST['pkgsubmit']) || $error):
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# User is not uploading, or there were errors uploading - then
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# give the visitor the default upload form
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if (ini_get("file_uploads")):
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$pkg_categories = pkgCategories();
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?>
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<form action='pkgsubmit.php' method='post' enctype='multipart/form-data'>
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<div> <input type='hidden' name='pkgsubmit' value='1' /> </div>
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<table>
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<tr>
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<td class='f4' align='right'><?php print __("Package Category"); ?>:</td>
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<td class='f4' align='left'>
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<select name='category'>
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<option value='1'><?php print __("Select Category"); ?></option>
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<?php
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foreach ($pkg_categories as $num => $cat):
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print "<option value='" . $num . "'";
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if (isset($_POST['category']) && $_POST['category'] == $cat):
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print " selected='selected'";
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endif;
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print ">" . $cat . "</option>";
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endforeach;
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?>
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</select>
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</td>
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</tr>
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<tr>
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<td class='f4' align='right'><?php print __("Upload package file"); ?>:</td>
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<td class='f4' align='left'>
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<input type='file' name='pfile' size='30' />
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</td>
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</tr>
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<tr>
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<td align='left'>
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<input class='button' type='submit' value='<?php print __("Upload"); ?>' />
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</td>
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</tr>
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</table>
|
|
</form>
|
|
|
|
<?php
|
|
else:
|
|
print __("Sorry, uploads are not permitted by this server.");
|
|
?>
|
|
|
|
<br />
|
|
|
|
<?php
|
|
endif;
|
|
endif;
|
|
else:
|
|
# Visitor is not logged in
|
|
print __("You must create an account before you can upload packages.");
|
|
exit();
|
|
?>
|
|
|
|
<br />
|
|
|
|
<?php
|
|
endif;
|
|
?>
|
|
|
|
</div>
|
|
</div>
|
|
|
|
<?php
|
|
html_footer(AUR_VERSION);
|
|
|