cheveguerra/whatsapp-web.js
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Fix downloading media for WhatsApp Web v2.2126.10 (#735)

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* fix downloadMedia

* return a boolean for hasMedia
This commit is contained in:
Pedro S. Lopez
2021-07-09 02:38:31 -04:00
committed by GitHub
parent 0465507009
commit 0ef6061d7e
2 changed files with 21 additions and 43 deletions
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18
src/structures/Message.js
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@@ -41,7 +41,7 @@ class Message extends Base {
* Indicates if the message has media available for download * Indicates if the message has media available for download
* @type {boolean} * @type {boolean}
*/ */
this.hasMedia = data.clientUrl || data.deprecatedMms3Url; this.hasMedia = Boolean(data.mediaKey && data.directPath);
/** /**
* Message content * Message content
@@ -312,14 +312,20 @@ class Message extends Base {
return undefined; return undefined;
} }
const mediaUrl = msg.clientUrl || msg.deprecatedMms3Url; const decryptedMedia = await window.Store.DownloadManager.downloadAndDecrypt({
directPath: msg.directPath,
encFilehash: msg.encFilehash,
filehash: msg.filehash,
mediaKey: msg.mediaKey,
mediaKeyTimestamp: msg.mediaKeyTimestamp,
type: msg.type,
signal: (new AbortController).signal
});
const buffer = await window.WWebJS.downloadBuffer(mediaUrl); const data = window.WWebJS.arrayBufferToBase64(decryptedMedia);
const decrypted = await window.Store.CryptoLib.decryptE2EMedia(msg.type, buffer, msg.mediaKey, msg.mimetype);
const data = await window.WWebJS.readBlobAsync(decrypted._blob);
return { return {
data: data.split(',')[1], data,
mimetype: msg.mimetype, mimetype: msg.mimetype,
filename: msg.filename filename: msg.filename
}; };

46
src/util/Injected.js
View File

@@ -35,6 +35,7 @@ exports.ExposeStore = (moduleRaidStr) => {
window.Store.Features = window.mR.findModule('FEATURE_CHANGE_EVENT')[0].default; window.Store.Features = window.mR.findModule('FEATURE_CHANGE_EVENT')[0].default;
window.Store.QueryOrder = window.mR.findModule('queryOrder')[0]; window.Store.QueryOrder = window.mR.findModule('queryOrder')[0];
window.Store.QueryProduct = window.mR.findModule('queryProduct')[0]; window.Store.QueryProduct = window.mR.findModule('queryProduct')[0];
window.Store.DownloadManager = window.mR.findModule('DownloadManager')[0].default;
}; };
exports.LoadUtils = () => { exports.LoadUtils = () => {
@@ -349,43 +350,14 @@ exports.LoadUtils = () => {
}); });
}; };
window.WWebJS.downloadBuffer = (url) => { window.WWebJS.arrayBufferToBase64 = async (arrayBuffer) => {
return new Promise(function (resolve, reject) { let binary = '';
let xhr = new XMLHttpRequest(); const bytes = new Uint8Array( arrayBuffer );
xhr.open('GET', url); const len = bytes.byteLength;
xhr.responseType = 'arraybuffer'; for (let i = 0; i < len; i++) {
xhr.onload = function () { binary += String.fromCharCode( bytes[ i ] );
if (xhr.status == 200) { }
resolve(xhr.response); return window.btoa( binary );
} else {
reject({
status: this.status,
statusText: xhr.statusText
});
}
};
xhr.onerror = function () {
reject({
status: this.status,
statusText: xhr.statusText
});
};
xhr.send(null);
});
};
window.WWebJS.readBlobAsync = (blob) => {
return new Promise((resolve, reject) => {
let reader = new FileReader();
reader.onload = () => {
resolve(reader.result);
};
reader.onerror = reject;
reader.readAsDataURL(blob);
});
}; };
window.WWebJS.getFileHash = async (data) => { window.WWebJS.getFileHash = async (data) => {