+<?php
+/* Copyright (c) 2009 Arnaud Renevier, Inc, published under the modified BSD
+ license. */
+
+require_once ("./inc/settings.php");
+require_once ("./inc/db/mysql.php");
+require_once ("./inc/utils.php");
+
+function exit_document ($body) {
+ exit ("<html><head></head><body>$body</body></html>");
+}
+
+function success_auth () {
+ success ("auth");
+}
+
+function success_feature ($feature, $request) {
+ $res = "<success request=\"$request\"><feature>";
+ $res .= "<id>" . $feature->id . "</id>";
+
+ $res .= "<imgurl>" .
+ ($feature->imgpath ?
+ full_url_from_filename ($feature->imgpath)
+ : "") .
+ "</imgurl>";
+
+ $res .= "<description>" .
+ htmlspecialchars ($feature->description) .
+ "</description>";
+
+ // XXX: we do not use <title> because that would be interpreted and
+ // altered by browers html parser
+ $res .= "<heading>" .
+ htmlspecialchars ($feature->title) .
+ "</heading>";
+
+ $res .= "<lon>" . $feature->lon . "</lon>";
+ $res .= "<lat>" . $feature->lat . "</lat>";
+ $res .= "</feature></success>";
+ exit_document ($res);
+}
+
+function success_delete_feature ($feature) {
+ $res = "<success request=\"del\"><feature>";
+ $res .= "<id>" . $feature->id . "</id>";
+ $res .= "</feature></success>";
+ exit_document ($res);
+}
+
+function success ($reason) {
+ exit_document ("<success request=\"$reason\"></success>");
+}
+
+function error ($reason) {
+ exit_document ("<error reason=\"$reason\"></error>");
+}
+
+function error_feature ($id, $reason) {
+ $res = "<error reason=\"$reason\"><feature>";
+ $res .= "<id>" . $id . "</id>";
+ $res .= "</feature></error>";
+ exit_document ($res);
+}
+
+function nochange_error ($id) {
+ error_feature ($id, "nochange");
+}
+function unreferenced_error ($id) {
+ error_feature ($id, "unreferenced");
+}
+
+function server_error () {
+ error ("server");
+}
+
+function unauthorized_error () {
+ error ("unauthorized");
+}
+
+function request_error () {
+ error ("request");
+}
+
+function file_too_big_error () {
+ error ("toobig");
+}
+
+function notanimage_error () {
+ error ("notimage");
+}
+
+function save_uploaded_file ($file, $con) {
+ $dest = "";
+ if (isset ($file) && ($file ["error"] != UPLOAD_ERR_NO_FILE)) {
+ img_check_upload ($file);
+ $dest = unique_file (UPLOADDIR, $file ["name"], $con);
+ if (!isset ($dest) ||
+ (!move_uploaded_file ($file ["tmp_name"], $dest))) {
+ server_error ();
+ }
+ }
+ return basename($dest);
+}
+
+function img_check_upload ($file) {
+ if (!is_uploaded_file ($file ["tmp_name"])) {
+ if ($file ["error"] == UPLOAD_ERR_INI_SIZE) {
+ file_too_big_error ();
+ } else {
+ server_error ();
+ }
+ }
+ if (!getimagesize ($file ["tmp_name"])) {
+ notanimage_error ();
+ }
+}
+
+function delete_image_if_unused ($imgpath, $con) {
+ if ($con->imgpath_exists ($imgpath)) {
+ return false;
+ }
+ $path = UPLOADDIR . "/" . $imgpath;
+ if (file_exists($path)) {
+ unlink ($path);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+function unique_file ($dirname, $relpath, $con) {
+ $relpath = str_replace ('/', '', $relpath); // strip slashes from path
+ $relpath = str_replace ('\\', '', $relpath); // strip antislashes from path
+ $filename = $dirname . '/' . $relpath;
+ $counter = 1;
+
+ $dotpos = strrpos ($relpath, '.');
+ if ($dotpos) {
+ $base = substr ($relpath, 0, $dotpos);
+ $ext = substr ($relpath, $dotpos + 1);
+ } else {
+ $base = $relpath;
+ $ext = "";
+ }
+
+ while ($counter < 1000) {
+ if (!file_exists ($filename) &&
+ !($con->imgpath_exists (basename ($filename)))) {
+ return $filename;
+ } else {
+ $counter++;
+ $filename = $dirname . '/' . $base . '_' . $counter . '.' . $ext;
+ }
+ }
+ // we tried to find an unused filename 1000 times. Give up now.
+ return null;
+}
+
+function main ($con) {
+ if (!isset ($_POST ["request"])) {
+ request_error ();
+ }
+ if ($_POST ["request"] == "auth") {
+ $pwd = unquote ($_POST["password"]);
+ $user = "admin";
+ if ($con->checkpwdmd5 ($user, md5 ($pwd))) {
+ // cookie will be valid for 2 weeks. I've chosen that value
+ // arbitrarily, and it may change in the future.
+ $time = time () + 14 * 60 * 24 * 60;
+ $cookie_name = sprintf ("%sauth", DBPREFIX);
+ setcookie ($cookie_name, md5 ($pwd), $time, "" , "", false, true);
+ success_auth ();
+ } else {
+ unauthorized_error ();
+ }
+ }
+ if (!($con->checkpwdmd5 ("admin",
+ $_COOKIE [sprintf ("%sauth", DBPREFIX)]))) {
+ unauthorized_error ();
+ }
+
+ switch ($_POST ["request"]) {
+ case "update":
+ $id = $_POST ["fid"];
+ $feature = $con->getfeature ($id);
+ if (!isset ($feature)) {
+ unreferenced_error ($id);
+ }
+
+ // no file uploaded, but editor currently has an image: it means
+ // image was not changed
+ if ($_POST ["keep_img"] == "yes") {
+ $imgpath = $feature->imgpath;
+ } else {
+ $imgpath = save_uploaded_file ($_FILES ["image_file"], $con);
+ }
+
+ $lon = $_POST ["lon"];
+ $lat = $_POST ["lat"];
+ $title = unquote ($_POST ["title"]);
+ $description = unquote ($_POST ["description"]);
+
+ try {
+ $new_feature = new feature ($id, $lon, $lat, $imgpath, $title, $description);
+ } catch (Exception $e) {
+ request_error ();
+ }
+
+ if (($new_feature->lon == $feature->lon) &&
+ ($new_feature->lat == $feature->lat) &&
+ ($new_feature->title == $feature->title) &&
+ ($new_feature->imgpath == $feature->imgpath) &&
+ ($new_feature->description == $feature->description)) {
+ nochange_error ($feature->id);
+ }
+
+ $old_imgpath = "";
+ if ($feature->imgpath && ($feature->imgpath != $new_feature->imgpath)) {
+ $old_imgpath = $feature->imgpath;
+ }
+
+ try {
+ $con->save_feature ($new_feature);
+ } catch (Exception $e) {
+ server_error ();
+ }
+ if ($old_imgpath) {
+ try {
+ delete_image_if_unused ($old_imgpath, $con);
+ } catch (Exception $e) {}
+ }
+ success_feature ($new_feature, "update");
+ break;
+ case "add":
+ $imgpath = save_uploaded_file ($_FILES ["image_file"], $con);
+
+ $lon = $_POST ["lon"];
+ $lat = $_POST ["lat"];
+ $title = unquote ($_POST ["title"]);
+ $description = unquote ($_POST ["description"]);
+ try {
+ $feature = new feature (null, $lon, $lat, $imgpath, $title, $description);
+ } catch (Exception $e) {
+ request_error ();
+ }
+ try {
+ $feature = $con->save_feature ($feature);
+ } catch (Exception $e) {
+ server_error ();
+ }
+ success_feature ($feature, "add");
+ break;
+ case "del":
+ $id = $_POST ["fid"];
+ $feature = $con->getfeature ($id);
+ if (!isset ($feature)) {
+ unreferenced_error ($id);
+ }
+ $imgpath = $feature->imgpath;
+
+ try {
+ $con->delete_feature ($feature);
+ } catch (Exception $e) {
+ server_error ();
+ }
+
+ try {
+ delete_image_if_unused ($imgpath, $con);
+ } catch (Exception $e) {}
+
+ success_delete_feature ($feature);
+ default:
+ request_error();
+ break;
+ }
+
+ server_error ();
+}
+
+try {
+ $connection->connect (DBHOST, DBUSER, DBPWD, DBNAME, DBPREFIX);
+} catch (Exception $e) {
+ server_error ();
+}
+
+main ($connection);
+?>
projects / syp.git / commitdiff