README.md

@@ -12,21 +12,8 @@ instance.
 - [x] BlueSky
 - [ ] Pixelfed
 - [x] Mastodon
-- [x] Nostr
+- [ ] Nostr
 
-## Dev
-
-Run the app locally:
-
-```shell
-$ clj -M -m micro-blog.main
-```
-
-or just run parts via repl:
-
-```shell
-$ clj
-```
 
 ## Deployment
 

build.sh

@@ -3,14 +3,7 @@
 set -e
 
 export AWS_PROFILE=personal
-export AWS_REGION=eu-central-1
 
-REPO_NAME="micro-blog-fetchers-homelabstack"
+docker buildx build --platform linux/amd64,linux/arm64  -t 853019563312.dkr.ecr.eu-central-1.amazonaws.com/micro-blog-fetchers-homelabstack:latest  --push .
 
-if ! aws ecr describe-repositories --repository-names "$REPO_NAME" >/dev/null 2>&1; then
+echo "Image pushed to ECR"
-  aws ecr create-repository --repository-name "$REPO_NAME"
-fi
-
-docker buildx build --platform linux/amd64,linux/arm64  -t "853019563312.dkr.ecr.eu-central-1.amazonaws.com/$REPO_NAME:latest"  --push .
-
-echo "Docker image built and pushed to AWS ECR"

old_node_src/bluesky.ts

@@ -0,0 +1,155 @@
+import pino from "pino";
+import { MicroBlogBackend } from "./pocketbase";
+
+// logger
+const logger = pino();
+
+// pocketbase
+const pb = new MicroBlogBackend(logger);
+
+type Session = {
+  did: string;
+  accessJwt: string;
+  refreshJwt: string;
+};
+
+type BlueSkyPost = {
+  cid: string;
+  embed?: {
+    images: {
+      fullsize: string;
+      alt: string;
+    }[];
+  };
+  record: {
+    createdAt: string; // '2024-06-25T05:32:06.269Z',
+    // embed: { '$type': 'app.bsky.embed.images', images: [Array] },
+    // facets: [ [Object] ],
+    text: string;
+    facets: {
+      features: {
+        $type: string; //"app.bsky.richtext.facet#tag",\n' +
+        tag?: string; //  "cooking"\n' +
+      }[];
+    }[];
+  };
+};
+
+const createSession = async (): Promise<Session> => {
+  const identifier = process.env.BLUE_SKY_USERNAME;
+  const apiKey = process.env.BLUE_SKY_API_KEY;
+  const body = JSON.stringify({ identifier, password: apiKey });
+  const url = "https://bsky.social/xrpc/com.atproto.server.createSession";
+  const res = await fetch(url, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: body,
+  });
+  const data = (await res.json()) as Session;
+  return data;
+};
+
+const limit = 10;
+const getPostsUntilID = async (
+  session: Session,
+  id: string,
+  cursor: string | null = null,
+  oldFeed: BlueSkyPost[] = [],
+): Promise<BlueSkyPost[]> => {
+  const params = new URLSearchParams();
+  params.append("actor", session.did);
+  params.append("limit", limit.toString());
+  if (cursor) {
+    params.append("cursor", cursor);
+  }
+
+  const urlWithParams = new URL(
+    "https://bsky.social/xrpc/app.bsky.feed.getAuthorFeed",
+  );
+  urlWithParams.search = params.toString();
+
+  const res = await fetch(urlWithParams, {
+    headers: {
+      Accept: "application/json",
+      Authorization: `Bearer ${session.accessJwt}`,
+    },
+  });
+  const rawData = (await res.json()) as {
+    feed: { post: BlueSkyPost }[];
+    cursor: string | null;
+  };
+  const rawFeed = rawData.feed;
+  const feed = rawFeed.map((item) => item.post);
+  cursor = rawData?.cursor;
+  const filteredFeed = [];
+  for (const post of feed) {
+    if (post.cid === id) {
+      break;
+    }
+    filteredFeed.push(post);
+  }
+
+  //  the post id we are searching until is in the res so return
+  if (filteredFeed.length !== feed.length) {
+    return filteredFeed.concat(oldFeed);
+  }
+  // there are more posts to add before the id
+  if (feed.length === limit) {
+    return getPostsUntilID(session, id, cursor, oldFeed.concat(feed));
+  }
+
+  // the id was not found in the feed, return everything
+  return oldFeed.concat(feed);
+};
+
+const savePost = async (post: BlueSkyPost) => {
+  const postData = {
+    remoteId: post.cid,
+    posted: post.record.createdAt,
+    source: "blue_sky" as const,
+    fullPost: post,
+    authorId: "travisshears.bsky.social",
+  };
+  return await pb.savePost(postData);
+};
+
+const saveTags = async (post: BlueSkyPost, postId: string) => {
+  for (const facet of post.record.facets) {
+    for (const feature of facet.features) {
+      if (feature.$type === "app.bsky.richtext.facet#tag") {
+        const tag = feature.tag;
+        if (tag) {
+          await pb.setTag(tag, postId);
+        }
+      }
+    }
+  }
+};
+
+const saveImages = async (post: BlueSkyPost, postId: string) => {
+  const images = post.embed?.images ?? [];
+  for (const image of images) {
+    await pb.saveAndSetImage(
+      { remoteURL: image.fullsize, alt: image.alt },
+      postId,
+    );
+  }
+};
+
+(async () => {
+  const session = await createSession();
+  const lastSavedPostId = await pb.getLatestPostRemoteIDBySource("blue_sky");
+  const posts = await getPostsUntilID(session, lastSavedPostId ?? "");
+  posts.reverse(); // save the oldest post first so if we fail posts are not lost on the next run
+  if (posts.length === 0) {
+    logger.info("No new posts to save");
+  }
+  for (const post of posts) {
+    logger.info({ post }, "saving post");
+    const savedNewPost = await savePost(post);
+    await saveTags(post, savedNewPost.id);
+    await saveImages(post, savedNewPost.id);
+  }
+})();

old_node_src/mastodon.ts

@@ -0,0 +1,103 @@
+import pino from "pino";
+import { MicroBlogBackend } from "./pocketbase";
+
+// custom destination formatter
+const logger = pino();
+
+const pb = new MicroBlogBackend(logger);
+
+const baseURL = process.env.MASTODON_BASE_URL;
+const accountId = process.env.MASTODON_ACCOUNT_ID;
+
+type MastodonPost = {
+  media_attachments: {
+    type: string; //'image',
+    url: string;
+    description: string; // 'Blurry gate',
+  }[];
+  id: string;
+  content: string;
+  account: {
+    id: string;
+  };
+  created_at: string;
+  tags: { name: string }[];
+};
+
+const getPostUntilId = async ({
+  lastSavedId,
+  maxId,
+  carryPosts = [],
+}: {
+  lastSavedId?: string;
+  maxId?: string;
+  carryPosts?: MastodonPost[];
+}): Promise<MastodonPost[]> => {
+  const params = new URLSearchParams();
+  params.append("limit", "10");
+  const urlWithParams = new URL(
+    `${baseURL}/api/v1/accounts/${accountId}/statuses`,
+  );
+  urlWithParams.search = params.toString();
+
+  const res = await fetch(urlWithParams);
+  const posts = (await res.json()) as MastodonPost[];
+  const containsId = posts.some((post) => post.id === lastSavedId);
+
+  if (!containsId && posts.length >= 5) {
+    return getPostUntilId({
+      lastSavedId,
+      carryPosts: carryPosts?.concat(posts),
+      maxId: posts[posts.length - 1]?.id,
+    });
+  }
+
+  const allPosts = carryPosts?.concat(posts).reverse();
+  if (lastSavedId) {
+    const index = allPosts.findIndex((post) => post.id === lastSavedId);
+    return allPosts.slice(index + 1);
+  }
+  return allPosts;
+};
+
+const savePost = async (post: MastodonPost) => {
+  const postData = {
+    remoteId: post.id,
+    authorId: post.account.id,
+    posted: post.created_at,
+    source: "mastodon" as const,
+    fullPost: post,
+  };
+  return await pb.savePost(postData);
+};
+
+const saveTags = async (post: MastodonPost, postId: string) => {
+  logger.info({ tags: post.tags }, "saving tags");
+  for (const tag of post.tags) {
+    await pb.setTag(tag.name, postId);
+  }
+};
+
+const saveImages = async (post: MastodonPost, postId: string) => {
+  logger.info({ images: post.media_attachments }, "saving images");
+  for (const image of post.media_attachments) {
+    await pb.saveAndSetImage(
+      { remoteURL: image.url, alt: image.description },
+      postId,
+    );
+  }
+};
+
+(async () => {
+  const lastSavedPostId = await pb.getLatestPostRemoteIDBySource("mastodon");
+  console.log({ lastSavedPostId });
+  const posts = await getPostUntilId({ lastSavedId: lastSavedPostId });
+  console.log({ posts });
+
+  for (const post of posts) {
+    logger.info({ post }, "saving post");
+    const savedNewPost = await savePost(post);
+    await saveTags(post, savedNewPost.id);
+    await saveImages(post, savedNewPost.id);
+  }
+})();

old_node_src/nostr.ts

@@ -0,0 +1,106 @@
+import pino from "pino";
+import WebSocket from "ws";
+import { MicroBlogBackend } from "./pocketbase";
+
+const logger = pino();
+const pb = new MicroBlogBackend(logger);
+
+const fetcherNpub = process.env.NOSTR_FETCHER_NPUB;
+const myNpub = process.env.NOSTR_ID;
+
+if (!fetcherNpub) {
+  throw new Error("NOSTR_FETCHER_NPUB is not set");
+}
+
+if (!myNpub) {
+  throw new Error("NOSTR_ID is not set");
+}
+
+type NostrTag = ["t" | "r" | "imeta", string];
+type NostrEvent = [
+  "EVENT" | "EOSE",
+  string,
+  {
+    id: string;
+    pubkey: string;
+    created_at: number;
+    kind: number; // 1
+    tags: NostrTag[];
+    content: string;
+    sig: string;
+  },
+];
+
+(async () => {
+  logger.info("Starting Nostr Fetcher");
+
+  // figure out when the last post of wasved
+  const lastSavedPost = await pb.getLatestPostBySource("nostr");
+  if (!lastSavedPost) {
+    throw new Error("No last saved nostr post found");
+  }
+  let since: number | undefined;
+  since = new Date(lastSavedPost.posted).getTime() / 1000;
+  logger.info(
+    { lastSavedPostId: lastSavedPost.id, since },
+    "lastSavedPost nostr post",
+  );
+  // listen for new events for 30 seconds
+  logger.info("trying to connecting to nostr relay");
+  const relay = process.env.NOSTR_RELAY;
+  if (!relay) {
+    throw new Error("No NOSTR_RELAY environment variable found");
+  }
+
+  const events: NostrEvent[] = [];
+  const ws = new WebSocket(relay);
+  ws.on("error", logger.error);
+  ws.on("message", function message(data: Buffer) {
+    const decodedData = JSON.parse(
+      Buffer.from(data).toString("utf8"),
+    ) as NostrEvent;
+    logger.info({ decodedData }, "recived a message from nostr relay");
+    if (decodedData[0] === "EVENT") {
+      events.push(decodedData);
+    }
+  });
+  ws.on("open", function open() {
+    logger.info("connection established");
+    ws.send(
+      JSON.stringify([
+        "REQ",
+        fetcherNpub,
+        { kinds: [1], authors: [myNpub], ...(since ? { since } : {}) },
+      ]),
+    );
+  });
+  await new Promise((resolve) => setTimeout(resolve, 30000));
+  logger.info("closing connection to nostr relay");
+  ws.close();
+  logger.info({ count: events.length }, "saving nostr posts");
+  for (const event of events) {
+    const post = await pb.savePost({
+      remoteId: event[2].id,
+      fullPost: event[2],
+      posted: new Date(event[2].created_at * 1000).toISOString(),
+      source: "nostr",
+      authorId: event[1],
+    });
+
+    for (const tag of event[2].tags) {
+      if (tag[0] === "t") {
+        await pb.setTag(tag[1], post.id);
+      } else if (tag[0] === "imeta") {
+        const value = tag[1];
+        // remove "url " from the start of the string
+        const url = value.slice(4);
+        await pb.saveAndSetImage(
+          {
+            remoteURL: url,
+          },
+          post.id,
+        );
+      }
+    }
+  }
+})();

old_node_src/pixelfed.ts

@@ -0,0 +1,107 @@
+import pino from "pino";
+import { lambdaRequestTracker, pinoLambdaDestination } from "pino-lambda";
+import { MicroBlogBackend } from "./pocketbase";
+
+// custom destination formatter
+const destination = pinoLambdaDestination();
+const logger = pino({}, destination);
+const withRequest = lambdaRequestTracker();
+
+const baseURL = process.env.PIXELFED_BASE_URL;
+const accountID = process.env.PIXELFED_ACCOUNT_ID;
+
+const pb = new MicroBlogBackend(logger);
+
+type PixelFedPost = {
+  media_attachments: {
+    type: string; //'image',
+    url: string; //  'https://gram.social/storage/m/_v2/703621281309160235/530d83cd3-f15549/FR41GdSiUQY0/bNHMrzuQkuhXKKfR1zG4HHcjFTe6G2YF02SOr2zi.jpg',
+    description: string; // 'Blurry gate',
+  }[];
+  id: string;
+  content: string;
+  account: {
+    id: string;
+  };
+  created_at: string;
+  tags: { name: string }[];
+};
+
+const getPostUntilId = async ({
+  lastSavedId,
+  maxId,
+  carryPosts = [],
+}: {
+  lastSavedId?: string;
+  maxId?: string;
+  carryPosts?: PixelFedPost[];
+}): Promise<PixelFedPost[]> => {
+  const params = new URLSearchParams();
+  params.append("limit", "5");
+  params.append("only_media", "true");
+  if (maxId) {
+    params.append("max_id", maxId);
+  }
+
+  const urlWithParams = new URL(`${baseURL}${accountID}/statuses`);
+  urlWithParams.search = params.toString();
+
+  const res = await fetch(urlWithParams.toString());
+  const posts = (await res.json()) as PixelFedPost[];
+  const containsId = posts.some((post) => post.id === lastSavedId);
+
+  if (!containsId && posts.length >= 5) {
+    return getPostUntilId({
+      lastSavedId,
+      carryPosts: carryPosts?.concat(posts),
+      maxId: posts[posts.length - 1]?.id,
+    });
+  }
+
+  const allPosts = carryPosts?.concat(posts).reverse();
+  if (lastSavedId) {
+    const index = allPosts.findIndex((post) => post.id === lastSavedId);
+    return allPosts.slice(index + 1);
+  }
+  return allPosts;
+};
+
+const savePost = async (post: PixelFedPost) => {
+  const postData = {
+    remoteId: post.id,
+    authorId: post.account.id,
+    posted: post.created_at,
+    source: "pixelfed" as const,
+    fullPost: post,
+  };
+  return await pb.savePost(postData);
+};
+
+const saveTags = async (post: PixelFedPost, postId: string) => {
+  logger.info({ tags: post.tags }, "saving tags");
+  for (const tag of post.tags) {
+    await pb.setTag(tag.name, postId);
+  }
+};
+
+const saveImages = async (post: PixelFedPost, postId: string) => {
+  logger.info({ images: post.media_attachments }, "saving images");
+  for (const image of post.media_attachments) {
+    await pb.saveAndSetImage(
+      { remoteURL: image.url, alt: image.description },
+      postId
+    );
+  }
+};
+
+exports.run = async (event: any, context: any) => {
+  withRequest(event, context);
+  const lastSavedPostId = await pb.getLatestPostRemoteIDBySource("pixelfed");
+  const posts = await getPostUntilId({ lastSavedId: lastSavedPostId });
+  for (const post of posts) {
+    logger.info({ post }, "saving post");
+    const savedNewPost = await savePost(post);
+    await saveTags(post, savedNewPost.id);
+    await saveImages(post, savedNewPost.id);
+  }
+};

old_node_src/pocketbase.ts

@@ -0,0 +1,223 @@
+import type { Logger } from "pino";
+import PocketBase from "pocketbase";
+
+export type MicroBlogPostImage = {
+  id: string;
+  collectionId: string;
+  image: string;
+  alt?: string;
+  remoteURL: string;
+};
+
+export type MicroBlogPostTag = {
+  id: string;
+  tag: string;
+};
+
+export type MicroBlogPostSource =
+  | "blue_sky"
+  | "mastodon"
+  | "pleroma"
+  | "pixelfed"
+  | "nostr";
+
+export type MicroBlogPost = {
+  source: MicroBlogPostSource;
+  fullPost: any;
+  remoteId: string;
+  authorId: string;
+  id: string;
+  posted: string;
+  expand: {
+    images?: MicroBlogPostImage[];
+    tags?: {
+      id: string;
+    }[];
+  };
+};
+
+export class MicroBlogBackend {
+  private pb: PocketBase;
+  private clientSetTime?: Date;
+  constructor(private logger: Logger) {
+    this.pb = new PocketBase(process.env.POCKET_BASE_HOST);
+  }
+
+  private async login() {
+    const pw = process.env.POCKET_BASE_PW;
+    const userName = process.env.POCKET_BASE_USER;
+    if (!pw) {
+      this.logger.error("POCKET_BASE_PW env var not set");
+      throw new Error("POCKET_BASE_PW env var not set");
+    }
+    if (!userName) {
+      this.logger.error("POCKET_BASE_USER env var not set");
+      throw new Error("POCKET_BASE_USER env var not set");
+    }
+    this.logger.info({ userName }, "Logging in to pocketbase");
+    await this.pb.collection("users").authWithPassword(userName, pw);
+    this.clientSetTime = new Date();
+  }
+
+  private async checkLogin() {
+    if (!this.clientSetTime) {
+      await this.login();
+      return;
+    }
+    const now = new Date();
+    const diff = now.getTime() - this.clientSetTime.getTime();
+    const day = 86_400_000;
+
+    if (diff > day) {
+      await this.login();
+      return;
+    }
+  }
+
+  public async getLatestPostBySource(
+    postSource: MicroBlogPostSource,
+  ): Promise<MicroBlogPost | undefined> {
+    await this.checkLogin();
+    try {
+      const post = await this.pb
+        .collection<MicroBlogPost>("micro_blog_posts")
+        .getFirstListItem(`source = '${postSource}'`, { sort: "-posted" });
+      return post;
+    } catch (error: any) {
+      if (error.status === 404) {
+        return undefined;
+      }
+      throw error;
+    }
+  }
+
+  public async getLatestPostRemoteIDBySource(postSource: MicroBlogPostSource) {
+    await this.checkLogin();
+    const post = await this.getLatestPostBySource(postSource);
+    return post?.remoteId;
+  }
+
+  async getTag(tag: string): Promise<MicroBlogPostTag | undefined> {
+    await this.checkLogin();
+    try {
+      const remoteTag = await this.pb
+        .collection<MicroBlogPostTag>("micro_blog_tags")
+        .getFirstListItem(`tag = '${tag}'`);
+      return remoteTag;
+    } catch (e: any) {
+      if (e.status === 404) {
+        return undefined;
+      }
+      throw e;
+    }
+  }
+
+  async getImageByRemoteURL(
+    remoteURL: string,
+  ): Promise<MicroBlogPostImage | undefined> {
+    await this.checkLogin();
+    try {
+      const remoteImage = await this.pb
+        .collection<MicroBlogPostImage>("micro_blog_images")
+        .getFirstListItem(`remoteURL = '${remoteURL}'`);
+      return remoteImage;
+    } catch (e: any) {
+      if (e.status === 404) {
+        return undefined;
+      }
+      throw e;
+    }
+  }
+
+  private async checkForPost(
+    remoteId: string,
+  ): Promise<MicroBlogPost | undefined> {
+    await this.checkLogin();
+    try {
+      return await this.pb
+        .collection<MicroBlogPost>("micro_blog_posts")
+        .getFirstListItem(`remoteId = '${remoteId}'`);
+    } catch (e: any) {
+      if (e.status === 404) {
+        return undefined;
+      }
+      throw e;
+    }
+  }
+
+  public async savePost(
+    post: Omit<MicroBlogPost, "id" | "expand">,
+  ): Promise<MicroBlogPost> {
+    await this.checkLogin();
+    const existingPost = await this.checkForPost(post.remoteId);
+    if (!existingPost) {
+      return await this.pb
+        .collection<MicroBlogPost>("micro_blog_posts")
+        .create(post);
+    }
+    this.logger.info({ existingPost }, "Found existing post");
+    return existingPost;
+  }
+
+  public async setTag(rawTag: string, postId: string) {
+    await this.checkLogin();
+    let tag = await this.getTag(rawTag);
+    if (!tag) {
+      tag = await this.pb
+        .collection<MicroBlogPostTag>("micro_blog_tags")
+        .create({ tag: rawTag });
+    }
+    if (!tag) {
+      throw new Error("Failed to create tag");
+    }
+    await this.pb.collection("micro_blog_posts").update(postId, {
+      "tags+": tag.id,
+    });
+  }
+
+  public async saveAndSetImage(
+    imageToSave: Omit<MicroBlogPostImage, "id" | "image" | "collectionId">,
+    postId: string,
+  ) {
+    await this.checkLogin();
+    let image = await this.getImageByRemoteURL(imageToSave.remoteURL);
+    if (!image) {
+      const imageResponse = await fetch(imageToSave.remoteURL);
+      if (!imageResponse.ok) {
+        throw new Error("Failed to download image");
+      }
+      const imageBlob = await imageResponse.blob();
+      const imageFile = new File([imageBlob], "image.jpg", {
+        type: imageBlob.type,
+      });
+      const data = {
+        ...imageToSave,
+        image: imageFile,
+      };
+      image = await this.pb
+        .collection<MicroBlogPostTag>("micro_blog_images")
+        .create(data);
+      this.logger.info({ image }, "Created image");
+    }
+    if (!image) {
+      throw new Error("Failed to create image");
+    }
+    const res = await this.pb.collection("micro_blog_posts").update(postId, {
+      "images+": image.id,
+    });
+    this.logger.info({ res }, "Updated post with image");
+  }
+
+  public async getPosts(page: number, limit = 20) {
+    await this.checkLogin();
+    const resultList = await this.pb
+      .collection<MicroBlogPost>("micro_blog_posts")
+      .getList(page, limit, {
+        sort: "-posted",
+        expand: "images,tags",
+        filter: `(source = "blue_sky" || source = "pleroma")`,
+        //   filter: 'source = "pleroma"',
+      });
+    return resultList;
+  }
+}

src/micro_blog/api.clj

@@ -17,7 +17,7 @@
 (defn blue-sky-proc-handler [_request]
   (let [msg "Procing BlueSky Scrape"]
     (tel/log! :info msg)
-    (micro-blog.blue-sky/run)
+    (micro-blog.mastodon/run)
     {:status 200
      :body msg}))
 

src/micro_blog/blue_sky.clj

@@ -47,7 +47,7 @@
 (defn get-posts-until-id
   ([session id] (get-posts-until-id session id nil []))
   ([session id cursor prev-posts]
-   (tel/log! {:level :info :data {:id id, :cursor cursor, :prev-posts (count prev-posts)}} "Getting posts until id")
+   (tel/log! {:level :info :data {:postId (:remoteId id)}} "Getting posts until id")
    (let [limit 5
          body
          (-> (http-client/get (str (@config :blue-sky-host) "/app.bsky.feed.getAuthorFeed")

src/micro_blog/pocket_base.clj

@@ -190,21 +190,17 @@
     (if (post-with-remote-id-already-saved? (:remoteId post))
       (tel/log! {:level :warn :data {:remoteId (:remoteId post)}} "Post already saved, skipping")
       (try
-        (let [tag-ids (doall (map get-tag-id (:tags post)))
-              image-ids (doall (map #(apply get-image-id %) (:images post)))]
         (http-client/post  (str (@config :pocket-base-host) "/api/collections/micro_blog_posts/records")
                            {:headers {"Authorization" (get-login-token-with-cache)}
                             :form-params (assoc post
-                                                  :source (name (:source post))
+                                                :tags (map get-tag-id (:tags post))
-                                                  :isTech (name (:isTech post))
+                                                :images (map #(apply get-image-id %) (:images post)))
-                                                  :tags tag-ids
-                                                  :images image-ids)
                             :content-type :json
-                              :as :json}))
+                            :as :json})
         (catch Exception e
           (tel/log! {:level :error
                      :id :pocket-base/save-post-error
-                     :data {:post  post
+                     :data {:remoteId (:remoteId post)
                             :error (.getMessage e)
                             :exception e}}
                     "Error saving post to pocketbase")