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| export async function onRequest(context) {
const { request, env, params } = context;
const url = new URL(request.url);
let fileUrl = 'https://telegra.ph/' + url.pathname + url.search;
if (url.pathname.length > 39) {
const fileId = url.pathname.split(".")[0].split("/")[2];
const filePath = await getFilePath(env, fileId);
if (filePath) {
fileUrl = `https://api.telegram.org/file/bot${env.TG_Bot_Token}/${filePath}`;
}
}
const response = await fetch(fileUrl, {
method: request.method,
headers: request.headers,
body: request.body,
});
if (!response.ok) return response;
const isAdmin = request.headers.get('Referer')?.includes(`${url.origin}/admin`);
if (isAdmin) return forceImageInline(response, fileUrl);
if (!env.img_url) return forceImageInline(response, fileUrl);
let record = await env.img_url.getWithMetadata(params.id);
if (!record || !record.metadata) {
record = {
metadata: {
ListType: "None",
Label: "None",
TimeStamp: Date.now(),
liked: false,
fileName: params.id,
fileSize: 0,
}
};
await env.img_url.put(params.id, "", { metadata: record.metadata });
}
const metadata = {
ListType: record.metadata.ListType || "None",
Label: record.metadata.Label || "None",
TimeStamp: record.metadata.TimeStamp || Date.now(),
liked: record.metadata.liked !== undefined ? record.metadata.liked : false,
fileName: record.metadata.fileName || params.id,
fileSize: record.metadata.fileSize || 0,
};
if (metadata.ListType === "White") {
return forceImageInline(response, fileUrl);
}
if (metadata.ListType === "Block" || metadata.Label === "adult") {
const referer = request.headers.get('Referer');
const redirectUrl = referer
? "https://static-res.pages.dev/teleimage/img-block-compressed.png"
: `${url.origin}/block-img.html`;
return Response.redirect(redirectUrl, 302);
}
if (env.WhiteList_Mode === "true") {
return Response.redirect(`${url.origin}/whitelist-on.html`, 302);
}
if (env.ModerateContentApiKey) {
try {
const moderateUrl = `https://api.moderatecontent.com/moderate/?key=${env.ModerateContentApiKey}&url=https://telegra.ph${url.pathname}${url.search}`;
const moderateResponse = await fetch(moderateUrl);
if (moderateResponse.ok) {
const moderateData = await moderateResponse.json();
if (moderateData?.rating_label) {
metadata.Label = moderateData.rating_label;
if (moderateData.rating_label === "adult") {
await env.img_url.put(params.id, "", { metadata });
return Response.redirect(`${url.origin}/block-img.html`, 302);
}
}
}
} catch (error) {
console.error("Moderation error:", error.message);
}
}
await env.img_url.put(params.id, "", { metadata });
return forceImageInline(response, fileUrl);
}
function forceImageInline(originalResponse, fileUrl) {
const newHeaders = new Headers(originalResponse.headers);
const lower = fileUrl.toLowerCase();
if (lower.endsWith(".jpg") || lower.endsWith(".jpeg")) newHeaders.set("Content-Type", "image/jpeg");
else if (lower.endsWith(".png")) newHeaders.set("Content-Type", "image/png");
else if (lower.endsWith(".gif")) newHeaders.set("Content-Type", "image/gif");
else if (lower.endsWith(".webp")) newHeaders.set("Content-Type", "image/webp");
else if (lower.endsWith(".bmp")) newHeaders.set("Content-Type", "image/bmp");
if (newHeaders.get("Content-Type")?.startsWith("image/")) {
newHeaders.set("Content-Disposition", "inline");
}
return new Response(originalResponse.body, {
status: originalResponse.status,
statusText: originalResponse.statusText,
headers: newHeaders
});
}
async function getFilePath(env, file_id) {
try {
const res = await fetch(`https://api.telegram.org/bot${env.TG_Bot_Token}/getFile?file_id=${file_id}`, { method: 'GET' });
if (!res.ok) return null;
const data = await res.json();
if (data.ok && data.result) return data.result.file_path;
return null;
} catch (error) {
console.error("getFilePath error:", error.message);
return null;
}
}
|
