Продолжение запила API
Создание постов, новые настройки в конфиге
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@ -22,6 +22,44 @@ if ($IS_FRONTEND) {
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// Functions
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/*
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* FUNCTION
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* Parse tags from raw string
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*/
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function Post_ParseRawTagString (string $str): ReturnT {
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global $Config;
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$allowedSymbols = $Config["posting"]["tags"]["allowed_syms"];
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$maxTagLength = $Config["posting"]["tags"]["max_single_length"];
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$strLength = strlen($str);
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$currLen = 0;
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$currTag = "";
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$result = array();
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for ($i = 0; $i < $strLength; ++$i) {
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if ($str[$i] === ",") {
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if ($currLen) {
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$result[] = $currTag;
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$currLen = 0;
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} else {
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return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "syntax error while trying to parse tags");
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}
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} elseif ($str[$i] !== " " && $str[$i] !== "\t") {
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$currTag .= $str[$i];
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if (++$currLen > $maxTagLength)
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return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "tag too large: $currTag");
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}
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}
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$preg_str = "/[^" . $allowedSymbols . "]/";
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foreach ($result as $tag) {
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if (preg_match($preg_str, $tag))
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return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "only allowed symbols in tags are: " . $allowedSymbols);
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}
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return new ReturnT(data: $result);
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}
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/*
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* FUNCTION
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* Check if image size properties are valid
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@ -38,7 +76,7 @@ function Post_ImgResIsValid ($x, $y): bool {
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* FUNCTION
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* Create preview version of image
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*/
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function Post_CreatePreviewFromImage ($src, $dst): ReturnT {
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function Post_CreatePreviewFromImage (string $src, string $dst): ReturnT {
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$img = null;
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// Reading image from source path
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@ -56,34 +94,45 @@ function Post_CreatePreviewFromImage ($src, $dst): ReturnT {
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// Saving it as LQ JPEG
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imagejpeg($img, $dst, 30);
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if (!file_exists($dst)) // $src isnt our responsibility, $dst is
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return new ReturnT(err_code: E_UNS_UNEXPECTED, err_desc: "failed to create preview");
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return new ReturnT(data: true);
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}
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/*
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* FUNCTION
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* Store image
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* Stores image and returns paths to picture and its preview
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*/
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function Post_StoreImage ($path, $preview = true): ReturnT {
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function Post_StoreImage (string $path): ReturnT {
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global $Config;
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// Paths
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$ext = strtolower(pathinfo($path, PATHINFO_EXTENSION));
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$fileName = strval(time()) . "_" . GenerateRandomString(4);
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$targetDir = "../../" . $Config["media"]["pics_path"];
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$targetPath = JoinPaths($targetDir, $fileName . "." . $ext);
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$targetPath = Utils_JoinPaths($targetDir, $fileName . "." . $ext);
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// Creating preview file
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if ($Config["media"]["previews_enabled"] && $preview) {
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if ($Config["media"]["previews_enabled"]) {
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$previewDir = "../../" . $Config["media"]["prevs_path"];
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$previewPath = JoinPaths($previewDir, $fileName . ".jpg");
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$previewPath = Utils_JoinPaths($previewDir, $fileName . ".jpg");
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$res = Post_CreatePreviewFromImage($path, $previewPath);
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if ($res.IsError())
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if ($res->IsError()) // $path isnt our responsibility
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return $res;
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}
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move_uploaded_file($path, $targetPath);
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return new ReturnT(data: true);
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if (!file_exists($targetPath)) { // however, $previewPath IS our responsibility
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unlink($previewPath);
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return new ReturnT(err_code: E_UNS_UNEXPECTED, err_desc: "failed to move uploaded file");
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}
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return new ReturnT(data: array(
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"preview" => $previewPath,
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"picture" => $targetPath
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));
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}
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/*
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@ -103,7 +152,7 @@ function Post_Create (
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$result = null;
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// Author ID should exist
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// Author ID must exist
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if (!User_IDExist($author_id))
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return new ReturnT(err_code: E_UIN_WRONGID, err_desc: "specified user id does not exist");
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@ -114,6 +163,8 @@ function Post_Create (
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if ($s->execute() === false)
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return new ReturnT(err_code: E_DBE_INSERTFAIL, err_desc: "failed to create post record in DB");
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$result = true;
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return new ReturnT(data: $result);
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}
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@ -145,9 +196,23 @@ function Post_Create_Method (array $req, array $files): ReturnT {
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if (!(isset($req["tags"]) && isset($files["pic"])))
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return new ReturnT(err_code: E_UIN_INSUFARGS, err_desc: "tags and picture are necessary");
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// TODO: add rate-limiting, instead of this
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// Check user role
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if (User_HasRole($THIS_USER, "newbie").GetData())
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// Check tags
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// If raw string length not fits into limit
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$tagsLen = strlen($req["tags"]);
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if ($tagsLen > $Config["posting"]["tags"]["max_raw_input_str_length"])
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return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "tags string length exceeds limit: " . strval($Config["posting"]["tags"]["max_raw_input_str_length"]));
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elseif ($tagsLen < 1)
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return new ReturnT(err_code: E_UIN_BADARGS, err_desc: "tags cant be empty");
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// TODO: check if it is ASCII string
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// Parsing tags
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$parsedTags = Post_ParseRawTagString($req["tags"]);
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if ($parsedTags->IsError())
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return $parsedTags;
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// TODO: check if tags are approved
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$tags = implode(",", $parsedTags);
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// Check user role TODO: add rate-limiting, instead of this
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if (User_HasRole($THIS_USER, "newbie")->GetData())
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return new ReturnT(err_code: E_ACS_INSUFROLE, err_desc: "newbies cant create posts");
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// Check image properties
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@ -167,15 +232,17 @@ function Post_Create_Method (array $req, array $files): ReturnT {
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if (!Post_ImgResIsValid($SzX, $SzY))
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return new ReturnT(err_code: E_UIN_IMGBADRES, err_desc: "image with that resolution or aspect ratio cant be accepted");
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// Copy picture to storage folder
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$res = Post_StoreImage($TmpFilePath, $Config["media"]["previews_enabled"]);
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if ($res.IsError())
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return $res;
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// TODO
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// Actions
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// Copy picture to storage folder
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$res = Post_StoreImage($TmpFilePath);
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if ($res->IsError()) { // $TmpFilePath seemingly isnt our responsibility, BUT, only we know how and what to cleanup
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unlink($TmpFilePath);
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return $res;
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}
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$pic_path = $res["picture"];
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$prev_path = $res["preview"];
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return Post_Create($author_id, $tags, $pic_path, $title, $prev_path, $comms_enabled, false);
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}
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@ -184,7 +251,7 @@ function Post_Create_Method (array $req, array $files): ReturnT {
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if (Utils_ThisFileIsRequested(__FILE__)) {
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require_once("../_json.php");
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// TODO: cleanup if bad result
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// TODO
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}
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?>
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@ -35,5 +35,14 @@
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"image/jpeg",
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"image/png"
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]
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},
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"posting": {
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"tags": {
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"max_per_post": 256,
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"max_single_length": 256,
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"max_raw_input_str_length": 1536,
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"allowed_syms": "a-zA-Z0-9_"
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},
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"max_title_length": 4096
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}
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}
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@ -3,20 +3,20 @@
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// Notices stack
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$NTFY_NoticesStack = array();
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// Notices queue
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$NTFY_NoticesQueue = array();
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// Add new notice with selected type
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function NTFY_AddNotice (string $text, string $type = "fail") {
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global $NTFY_NoticesStack;
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global $NTFY_NoticesQueue;
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switch ($type) {
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case "fail":
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$NTFY_NoticesStack[] = "<div class=\"notification_fail\"><p>$text</p></div>";
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$NTFY_NoticesQueue[] = "<div class=\"notification_fail\"><p>$text</p></div>";
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break;
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case "success":
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$NTFY_NoticesStack[] = "<div class=\"notification_success\"><p>$text</p></div>";
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$NTFY_NoticesQueue[] = "<div class=\"notification_success\"><p>$text</p></div>";
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break;
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default:
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die("invalid notification type: $type");
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@ -25,8 +25,8 @@ function NTFY_AddNotice (string $text, string $type = "fail") {
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// Echo all notifications
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function NTFY_EchoAllNotices () {
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global $NTFY_NoticesStack;
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foreach ($NTFY_NoticesStack as $notice) {
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global $NTFY_NoticesQueue;
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foreach ($NTFY_NoticesQueue as $notice) {
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echo "$notice\n";
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}
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}
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