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Audio attachments

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And touch events for mobile quick reactions.
This commit is contained in:
N-Pex 2020-12-03 10:00:23 +01:00
parent 3ad4083312
commit a19082e2ea
10 changed files with 1324 additions and 1172 deletions
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140
src/plugins/utils.js
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@ -5,6 +5,39 @@ var aesjs = require('aes-js');
var base64Url = require('json-web-key/lib/base64url');
class Util {
getAttachment(matrixClient, event) {
return new Promise((resolve, reject) => {
const content = event.getContent();
if (content.url != null) {
// Unencrypted, just return!
resolve(matrixClient.mxcUrlToHttp(content.url));
return;
}
var url = null;
var file = null;
if (content.file && content.file.url) {
file = content.file;
url = matrixClient.mxcUrlToHttp(file.url);
}
if (url == null) {
reject("No url found!");
}
axios.get(url, { responseType: 'arraybuffer' })
.then(response => {
return this.decryptIfNeeded(file, response);
})
.then(bytes => {
resolve(URL.createObjectURL(new Blob([bytes.buffer], { type: file.mimetype })));
})
.catch(err => {
console.log("Download error: ", err);
reject(err);
});
});
}
getThumbnail(matrixClient, event, ignoredw, ignoredh) {
return new Promise((resolve, reject) => {
const content = event.getContent();
@ -46,24 +79,7 @@ class Util {
}
axios.get(url, { responseType: 'arraybuffer' })
.then(response => {
return new Promise((resolve, ignoredReject) => {
var key = base64Url.decode(file.key.k);
var iv = base64Url.decode(file.iv);
var aesCtr = new aesjs.ModeOfOperation.ctr(key, new aesjs.Counter(iv));
const data = new Uint8Array(response.data);
// Calculate sha256 and compare hashes
var hash = new Uint8Array(sha256.create().update(data).arrayBuffer());
const originalHash = base64Url.decode(file.hashes.sha256);
if (Buffer.compare(Buffer.from(hash), Buffer.from(originalHash.buffer)) != 0) {
reject("Hashes don't match!");
return;
}
var decryptedBytes = aesCtr.decrypt(data);
resolve(decryptedBytes);
});
return this.decryptIfNeeded(file, response);
})
.then(bytes => {
resolve(URL.createObjectURL(new Blob([bytes.buffer], { type: file.mimetype })));
@ -75,6 +91,27 @@ class Util {
});
}
decryptIfNeeded(file, response) {
return new Promise((resolve, reject) => {
var key = base64Url.decode(file.key.k);
var iv = base64Url.decode(file.iv);
var aesCtr = new aesjs.ModeOfOperation.ctr(key, new aesjs.Counter(iv));
const data = new Uint8Array(response.data);
// Calculate sha256 and compare hashes
var hash = new Uint8Array(sha256.create().update(data).arrayBuffer());
const originalHash = base64Url.decode(file.hashes.sha256);
if (Buffer.compare(Buffer.from(hash), Buffer.from(originalHash.buffer)) != 0) {
reject("Hashes don't match!");
return;
}
var decryptedBytes = aesCtr.decrypt(data);
resolve(decryptedBytes);
});
}
sendTextMessage(matrixClient, roomId, text) {
return this.sendMessage(matrixClient, roomId, "m.room.message", ContentHelpers.makeTextMessage(text));
}
@ -86,7 +123,7 @@ class Util {
rel_type: 'm.annotation',
event_id: event.getId()
}
};
};
return this.sendMessage(matrixClient, roomId, "m.reaction", content);
}
@ -149,38 +186,54 @@ class Util {
mimetype: file.type,
size: file.size
};
var description = file.name;
var msgtype = 'm.image';
if (file.type.startsWith("audio/")) {
msgtype = 'm.audio';
} else if (file.type.startsWith("video/")) {
msgtype = 'm.video';
} else if (file.type.startsWith("application/pdf")) {
msgtype = 'm.file';
}
const opts = {
type: file.type,
name: 'Image',
name: description,
progressHandler: onUploadProgress,
onlyContentUri: false
};
var messageContent = {
body: description,
info: info,
msgtype: msgtype
}
// Set filename for files
if (msgtype == 'm.file') {
messageContent.filename = file.name;
}
if (!matrixClient.isRoomEncrypted(roomId)) {
// Not encrypted.
matrixClient.uploadContent(data, opts)
.then((response) => {
const messageContent = {
body: 'Image',
url: response.content_uri,
info: info,
msgtype: 'm.image'
}
return this.sendMessage(matrixClient, roomId, "m.room.message", messageContent)
})
.then(result => {
resolve(result);
})
.catch(err => {
reject(err);
});
.then((response) => {
messageContent.url = response.content_uri;
return this.sendMessage(matrixClient, roomId, "m.room.message", messageContent)
})
.then(result => {
resolve(result);
})
.catch(err => {
reject(err);
});
return; // Don't fall through
}
const crypto = require('crypto');
let key = crypto.randomBytes(256 / 8);
let iv = Buffer.concat([crypto.randomBytes(8),Buffer.alloc(8)]); // Initialization vector.
let iv = Buffer.concat([crypto.randomBytes(8), Buffer.alloc(8)]); // Initialization vector.
// Encrypt
var aesCtr = new aesjs.ModeOfOperation.ctr(key, new aesjs.Counter(iv));
@ -201,17 +254,12 @@ class Util {
const encryptedFile = {
mimetype: file.type,
key: jwk,
iv: Buffer.from(iv).toString('base64').replace( /=/g, '' ),
hashes: { sha256: Buffer.from(hash).toString('base64').replace( /=/g, '' )},
iv: Buffer.from(iv).toString('base64').replace(/=/g, ''),
hashes: { sha256: Buffer.from(hash).toString('base64').replace(/=/g, '') },
v: 'v2'
};
const messageContent = {
body: 'Image',
file: encryptedFile,
info: info,
msgtype: 'm.image'
}
messageContent.file = encryptedFile;
matrixClient.uploadContent(data, opts)
.then((response) => {