demo compile

src/App.tsx

@@ -9,10 +9,15 @@ import {
   TextField,
 } from "@mui/material";
 import CountriesInput, { Country } from "./component/countriesInput";
-import Telegram, { uploadBigFile } from "./telegram";
+import Telegram, {
+  inputFile,
+  uploadBigFile,
+  sendFile,
+  downloadFile,
+} from "./telegram";
 import SendIcon from "@mui/icons-material/Send";
 import { User } from "./user";
-import { Upload } from "@mui/icons-material";
+import { Download, Upload } from "@mui/icons-material";
 import ab2str from "./utils/arraybuffer2str";
 
 function App() {
@@ -21,6 +26,7 @@ function App() {
   let [phoneCodeHash, setPhoneCodeHash] = useState("");
   let [country, setCountry] = useState({} as Country | null);
   let [user, setUser] = useState({} as User);
+  let [fileDocument, setFileDocument] = useState({} as any);
   const [fileList, setFileList] = useState([]);
 
   let sendCode = () => {
@@ -62,7 +68,6 @@ function App() {
     Telegram.call("messages.sendMessage", {
       peer: {
         _: "inputPeerSelf",
-        user_id: user.id,
       },
       message: "ice",
       random_id: (10000 + Math.random() * (100000 - 10000))
@@ -81,7 +86,18 @@ function App() {
     console.log("uploadFile:", fileList);
     // @ts-ignore
     uploadBigFile(fileList[0]?.bytes)
-      .then((file_id) => console.log("uploadFile ret:", file_id))
+      .then((file) => {
+        console.log("uploadFile ret:", file);
+        sendFile(
+          // @ts-ignore
+          inputFile(file.file_id, file.total_part, fileList[0].name),
+          // @ts-ignore
+          fileList[0].type
+        ).then((result) => {
+          console.log("sendFile ret:", result);
+          setFileDocument(result.updates[1].message.media);
+        });
+      })
       .catch((error) => {
         console.log("uploadFile error:", error);
         alert(error);
@@ -93,7 +109,7 @@ function App() {
     const reader = new FileReader();
     reader.onload = function (event) {
       if (event.target && event.target.result) {
-        let bytes = ab2str(event.target.result as ArrayBuffer);
+        let bytes = event.target.result;
         console.log(bytes);
         e.target.files[0].bytes = bytes;
         setFileList(e.target.files);
@@ -102,6 +118,14 @@ function App() {
     reader.readAsArrayBuffer(e.target.files[0]);
   };
 
+  let download = () => {
+    console.log("download:", fileDocument);
+    downloadFile(fileDocument).catch((error) => {
+      console.log("download error:", error);
+      alert(error);
+    });
+  };
+
   return (
     <Container maxWidth="sm">
       <Paper
@@ -160,6 +184,9 @@ function App() {
         <Button variant={"contained"} onClick={uploadFile} endIcon={<Upload />}>
           上传
         </Button>
+        <Button variant={"contained"} onClick={download} endIcon={<Download />}>
+          下载
+        </Button>
       </Paper>
     </Container>
   );

src/component/countriesInput.tsx

@@ -54,7 +54,7 @@ function CountriesInput(props: {
       })}
       sx={{ width: 300 }}
       onChange={(_event, value) => {
-        props.onChange(value);
+        props.onChange(value as Country);
       }}
       getOptionLabel={(option) => option.default_name}
       renderOption={(props, option) => (

src/global.d.ts

@@ -1 +1,2 @@
 declare module "mtproton/envs/browser";
+declare module "mtproton/src/utils/common";

src/telegram.ts

@@ -1,6 +1,5 @@
 import Client from "mtproton/envs/browser";
 import between from "./utils/rand";
-import exp from "constants";
 
 class TelegramHelper {
   private client: any;
@@ -8,12 +7,12 @@ class TelegramHelper {
     this.client = new Client({
       api_id: appID,
       api_hash: appHash,
-      test: true,
+      test: false,
     });
+    this.client.setDefaultDc(1);
   }
 
-  // @ts-ignore
-  async call(method: string, params?: object, options?: object) {
+  async call(method: string, params?: object, options?: object): Promise<any> {
     try {
       return await this.client.call(method, params, options);
     } catch (error) {
@@ -36,34 +35,42 @@ class TelegramHelper {
 
         const dcId = Number(dcIdAsString);
 
-        if (type === "PHONE") {
-          await this.client.setDefaultDc(dcId);
-        } else {
-          Object.assign(options, { dcId });
-        }
+        // if (type === "PHONE") {
+        await this.client.setDefaultDc(dcId);
+        // } else {
+        //   Object.assign(options, { dcId });
+        // }
 
         return this.call(method, params, options);
       }
-
       return Promise.reject(error);
     }
   }
 }
 
-async function uploadBigFile(bytes: string): Promise<number> {
+async function uploadBigFile(
+  bytes: ArrayBuffer
+): Promise<{ file_id: number; total_part: number }> {
   let file_id = between(10000, 99999);
   console.log("file_id", file_id);
 
-  const file_total_parts = Math.ceil(bytes.length / 524288);
+  let uploadBytes = new Uint8Array(bytes);
+  console.log("uploading file", bytes);
+  const file_total_parts = Math.ceil(uploadBytes.length / 524288);
   console.log("file_total_parts", file_total_parts);
   for (let i = 0; i < file_total_parts; i++) {
     console.log("push part: ", i);
     try {
+      let tempBytes = uploadBytes.slice(i * 524288, (i + 1) * 524288);
+      if (i === file_total_parts - 1) {
+        tempBytes = uploadBytes.slice(i * 524288);
+      }
+      console.log("tempBytes", tempBytes);
       let finished = await Telegram.call("upload.saveBigFilePart", {
         file_id: file_id,
         file_part: i,
         file_total_parts: file_total_parts,
-        bytes: bytes.slice(i * 524288, (i + 1) * 524288),
+        bytes: tempBytes,
       });
       if (finished) {
         console.log("finished");
@@ -76,12 +83,138 @@ async function uploadBigFile(bytes: string): Promise<number> {
   }
 
   console.log("uploaded");
-  return file_id;
+  return { file_id: file_id, total_part: file_total_parts };
+}
+
+function inputFile(file_id: number, part_number: number, file_name: string) {
+  return {
+    _: "inputFileBig",
+    id: file_id,
+    parts: part_number,
+    name: file_name,
+  };
+}
+
+function sendFile(inputFile: any, type: string) {
+  let random_id = between(10000, 99999);
+  console.log("random_id", random_id);
+  return Telegram.call("messages.sendMedia", {
+    peer: {
+      _: "inputPeerSelf",
+    },
+    media: {
+      _: "inputMediaUploadedDocument",
+      file: inputFile,
+      mime_type: type,
+      attributes: [
+        {
+          _: "documentAttributeFilename",
+          file_name: inputFile.name,
+        },
+      ],
+    },
+    random_id: between(10000, 99999),
+    message: "test",
+  });
+}
+
+async function downloadFile(fileDocument: any) {
+  let partSize = 1024 * 1024;
+  const file_total_parts = Math.ceil(fileDocument.document.size / partSize);
+
+  let results = [];
+  for (let i = 0; i < file_total_parts; i++) {
+    try {
+      let result = await Telegram.call("upload.getFile", {
+        location: {
+          _: "inputDocumentFileLocation",
+          id: fileDocument.document.id,
+          access_hash: fileDocument.document.access_hash,
+          file_reference: fileDocument.document.file_reference,
+          thumb_size: "",
+        },
+        limit: partSize,
+        offset: partSize * i,
+      });
+      console.log("result", result);
+      results.push(result);
+    } catch (error) {
+      return Promise.reject(error);
+    }
+  }
+
+  console.log("messages.getDocument:", results);
+  let bytes = new Uint8Array(fileDocument.document.size);
+  for (let i = 0; i < results.length; i++) {
+    for (let j = 0; j < results[i].bytes.length; j++) {
+      bytes[i * partSize + j] = results[i].bytes[j];
+    }
+  }
+  let downloadBytes = bytes;
+  console.log("downloadBytes", downloadBytes);
+  let blob = new Blob([downloadBytes], {
+    type: fileDocument.document.mime_type,
+  });
+  let url = window.URL.createObjectURL(blob);
+  let a = document.createElement("a");
+  a.href = url;
+  a.download = fileDocument.document.attributes[0].file_name;
+  a.click();
+  return Promise.resolve(true);
 }
 
 const appID = 18987971;
 const appHash = "fcfd9e6ed3f9e48a360bb57cc0d59d98";
 let Telegram = new TelegramHelper(appID, appHash);
 
+function hexStringToArrayBuffer(hexString: string) {
+  // remove the leading 0x
+  hexString = hexString.replace(/^0x/, "");
+
+  // ensure even number of characters
+  if (hexString.length % 2 != 0) {
+    console.log(
+      "WARNING: expecting an even number of characters in the hexString"
+    );
+  }
+
+  // check for some non-hex characters
+  let bad = hexString.match(/[G-Z\s]/i);
+  if (bad) {
+    console.log("WARNING: found non-hex characters", bad);
+  }
+
+  // split the string into pairs of octets
+  let pairs = hexString.match(/[\dA-F]{2}/gi);
+
+  // convert the octets to integers
+  // @ts-ignore
+  let integers = pairs.map(function (s: string) {
+    return parseInt(s, 16);
+  });
+
+  let array = new Uint8Array(integers);
+  console.log(array);
+
+  return array.buffer;
+}
+
+function arrayBufferToHex(arrayBuffer: ArrayBuffer) {
+  if (typeof arrayBuffer !== "object" || arrayBuffer === null) {
+    throw new TypeError("Expected input to be an ArrayBuffer");
+  }
+
+  let view = new Uint8Array(arrayBuffer);
+  let result = "";
+  let value;
+
+  for (let i = 0; i < view.length; i++) {
+    value = view[i].toString(16);
+    result += value.length === 1 ? "0" + value : value;
+  }
+
+  return result;
+}
+
 export default Telegram;
-export { uploadBigFile };
+export { uploadBigFile, inputFile, sendFile, downloadFile };

src/utils/arraybuffer2str.ts

@@ -5,4 +5,16 @@ function ArraybufferToStr(buffer: ArrayBuffer) {
   return decoder.decode(uint8);
 }
 
+// function ab2str(buf: ArrayBuffer) {
+//   return String.fromCharCode.apply(null, buf as Uint16Array);
+// }
+// function str2ab(str: string) {
+//   let buf = new ArrayBuffer(str.length * 2); // 2 bytes for each char
+//   let bufView = new Uint16Array(buf);
+//   for (let i = 0, strLen = str.length; i < strLen; i++) {
+//     bufView[i] = str.charCodeAt(i);
+//   }
+//   return buf;
+// }
+//
 export default ArraybufferToStr;