Metamigo -> Bridge

apps/bridge-worker/lib/media-convert.ts

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+import { Readable } from "stream";
+import ffmpeg from "fluent-ffmpeg";
+import * as R from "remeda";
+
+const requiredCodecs = ["mp3", "webm", "wav"];
+
+export interface AudioConvertOpts {
+  bitrate?: string;
+  audioCodec?: string;
+  format?: string;
+}
+
+const defaultAudioConvertOpts = {
+  bitrate: "32k",
+  audioCodec: "libmp3lame",
+  format: "mp3",
+};
+
+/**
+ * Converts an audio file to a different format. defaults to converting to mp3 with a 32k bitrate using the libmp3lame codec
+ *
+ * @param input the buffer containing the binary data of the input file
+ * @param opts options to control how the audio file is converted
+ * @return resolves to a buffer containing the binary data of the converted file
+ **/
+export const convert = (
+  input: Buffer,
+  opts?: AudioConvertOpts
+): Promise<Buffer> => {
+  const settings = { ...defaultAudioConvertOpts, ...opts };
+  return new Promise((resolve, reject) => {
+    const stream = Readable.from(input);
+    let out = Buffer.alloc(0);
+    const cmd = ffmpeg(stream)
+      .audioCodec(settings.audioCodec)
+      .audioBitrate(settings.bitrate)
+      .toFormat(settings.format)
+      .on("error", (err, stdout, stderr) => {
+        console.error(err.message);
+        console.log("FFMPEG OUTPUT");
+        console.log(stdout);
+        console.log("FFMPEG ERROR");
+        console.log(stderr);
+        reject(err);
+      })
+      .on("end", () => {
+        resolve(out);
+      });
+    const outstream = cmd.pipe();
+    outstream.on("data", (chunk: Buffer) => {
+      out = Buffer.concat([out, chunk]);
+    });
+  });
+};
+
+/**
+ * Check if ffmpeg is installed and usable. Checks for required codecs and a working ffmpeg installation.
+ *
+ * @return resolves to true if ffmpeg is installed and usable
+ * */
+export const selfCheck = (): Promise<boolean> => {
+  return new Promise((resolve) => {
+    ffmpeg.getAvailableFormats((err, codecs) => {
+      if (err) {
+        console.error("FFMPEG error:", err);
+        resolve(false);
+      }
+
+      const preds = R.map(requiredCodecs, (codec) => (available: any) =>
+        available[codec] && available[codec].canDemux && available[codec].canMux
+      );
+
+      resolve(R.allPass(codecs, preds));
+    });
+  });
+};
+
+export const assertFfmpegAvailable = async (): Promise<void> => {
+  const r = await selfCheck();
+  if (!r)
+    throw new Error(
+      `ffmpeg is not installed, could not be located, or does not support the required codecs: ${requiredCodecs}`
+    );
+};

apps/bridge-worker/lib/tag-map.ts

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+export const tagMap = {
+  AccountImpersonation: [
+    { field: "incidentType tag", value: "account-impersonation" },
+  ],
+  AppleID: [{ field: "incidentType tag", value: "malfunction-failure" }],
+  Blocked: [{ field: "incidentType tag", value: "account-deactivation" }],
+  CyberBullying: [{ field: "incidentType tag", value: "cyber-bullying" }],
+  DeviceSuspiciousBehavior: [
+    { field: "incidentType tag", value: "compromise-device" },
+  ],
+  Doxxing: [{ field: "incidentType tag", value: "doxxing" }],
+  DSTips: [{ field: "incidentType tag", value: "informational" }],
+  HackedLaptop: [
+    { field: "incidentType tag", value: "compromised-device" },
+    { field: "device tag", value: "laptop" },
+  ],
+  "Hacked/StolenAccount": [
+    { field: "incidentType tag", value: "compromised-account" },
+  ],
+  HateSpeech: [{ field: "incidentType tag", value: "hate-speech" }],
+  InfectedPhone: [
+    { field: "incidentType tag", value: "malware" },
+    { field: "device tag", value: "smartphone" },
+  ],
+  Kidnapping: [{ field: "incidentType tag", value: "kidnapping" }],
+  LaptopGiveaway: [{ field: "incidentType tag", value: "other" }],
+  ForensicAnalysis: [{ field: "incidentType tag", value: "malware" }],
+  ISF: [{ field: "incidentType tag", value: "other" }],
+  NumberBanned: [
+    { field: "incidentType tag", value: "disruption" },
+    { field: "device tag", value: "smartphone" },
+  ],
+  OnlineHarassment: [{ field: "incidentType tag", value: "online-harassment" }],
+  PhoneHarassment: [{ field: "incidentType tag", value: "phone-harassment" }],
+  PoliticalAds: [{ field: "incidentType tag", value: "spam" }],
+  SeizedPhone: [
+    { field: "incidentType tag", value: "confiscation" },
+    { field: "device tag", value: "smartphone" },
+  ],
+  SexED: [{ field: "incidentType tag", value: "informational" }],
+  Sextortion: [{ field: "incidentType tag", value: "sextortion" }],
+  Spam: [{ field: "incidentType tag", value: "spam" }],
+  SuspendedAccount: [
+    { field: "incidentType tag", value: "account-suspension" },
+  ],
+  SuspendedActivities: [
+    { field: "incidentType tag", value: "content-moderation" },
+  ],
+  SuspendedGroup: [{ field: "incidentType tag", value: "account-suspension" }],
+  SuspendedPage: [{ field: "incidentType tag", value: "account-suspension" }],
+  "Stolen/LostPhone": [
+    { field: "incidentType tag", value: "loss" },
+    { field: "device tag", value: "smartphone" },
+  ],
+  Facebook: [{ field: "platform tag", value: "facebook" }],
+  Google: [{ field: "platform tag", value: "google" }],
+  Instagram: [{ field: "platform tag", value: "instagram" }],
+  SMS: [{ field: "service tag", value: "sms" }],
+  Twitter: [{ field: "platform tag", value: "twitter" }],
+  Website: [{ field: "service tag", value: "website" }],
+  WhatsApp: [{ field: "platform tag", value: "whatsapp" }],
+  YouTube: [{ field: "platform tag", value: "youtube" }],
+  Linkedin: [{ field: "platform tag", value: "linkedin" }],
+  PoliticalActivist: [{ field: "targetedGroup tag", value: "policy-politics" }],
+  ElectoralCandidate: [
+    { field: "targetedGroup tag", value: "policy-politics" },
+  ],
+  PhishingLink: [{ field: "incidentType tag", value: "phishing" }],
+};