snapshot of https://github.com/marmelab/atomic-crm.git (main, 2026-09-18; blobs > 131072B omitted)

supabase/functions/postmark/extractAndUploadAttachments.ts

@@ -0,0 +1,109 @@
+import { decode } from "base64-arraybuffer";
+import { supabaseAdmin } from "../_shared/supabaseAdmin.ts";
+
+export type Attachment = {
+  title: string;
+  type: string;
+  path: string;
+  src: string;
+};
+
+/**
+ * Extracts the attachments from the email and upload them to Supabase Storage.
+ *
+ * Example:
+ *   "Attachments": [
+ *      {
+ *          "Name": "test.txt",
+ *          "Content": "VGhpcyBpcyBhdHRhY2htZW50IGNvbnRlbnRzLCBiYXNlLTY0IGVuY29kZWQu",
+ *          "ContentType": "text/plain",
+ *          "ContentLength": 45
+ *      }
+ *   ]
+ *
+ * Return Value:
+ * [{
+ *    title: "test.txt",
+ *    type: "text/plain",
+ *    "path": "0.8262106278726917.txt",
+ *    "src": "http://127.0.0.1:54321/storage/v1/object/public/attachments/0.8262106278726917.txt",
+ * }]
+ *
+ */
+export const extractAndUploadAttachments = async (
+  Attachments: {
+    Name: string;
+    Content: string;
+    ContentType: string;
+    ContentLength: number;
+  }[],
+): Promise<Attachment[]> => {
+  return (
+    await Promise.all(
+      (Attachments || []).map(async (attachment) => {
+        const { Name, Content, ContentType } = attachment;
+        if (!Name || !Content || !ContentType) {
+          console.warn("Attachment is missing required fields, skipping", {
+            attachment,
+          });
+          return null;
+        }
+
+        const decodedContent = decode(Content);
+        if (!decodedContent) {
+          console.error("Failed to decode attachment content, skipping", {
+            attachment,
+          });
+          return null;
+        }
+
+        const fileParts = Name.split(".");
+        const fileExt = fileParts.length > 1 ? `.${Name.split(".").pop()}` : "";
+        const fileName = `${Math.random()}${fileExt}`;
+        const { error: uploadError } = await supabaseAdmin.storage
+          .from("attachments")
+          .upload(fileName, decodedContent);
+
+        if (uploadError) {
+          console.error("uploadError", uploadError);
+          throw new Error("Failed to upload attachment");
+        }
+
+        const { data } = supabaseAdmin.storage
+          .from("attachments")
+          .getPublicUrl(fileName);
+
+        return {
+          title: Name,
+          type: ContentType,
+          path: fileName,
+          src: fixPublicUrl(data.publicUrl),
+        };
+      }),
+    )
+  ).filter(Boolean) as Attachment[];
+};
+
+/*
+ * Workaround fix for public URL not working on local environment
+ * See https://github.com/orgs/supabase/discussions/37271
+ *
+ * Replaces http://kong:8000/storage/v1/object/public/attachments/0.08968261048718773.txt with http://127.0.0.1:54321/storage/v1/object/public/attachments/0.08968261048718773.txt, using the SB_JWT_ISSUER env var (value http://127.0.0.1:54321/auth/v1) to get the external/public URL of the Supabase instance.
+ */
+const fixPublicUrl = (url: string) => {
+  const jwtIssuer = Deno.env.get("SB_JWT_ISSUER") ?? "";
+  const localUrl = jwtIssuer.replace("/auth/v1", "");
+  return url.replace("http://kong:8000", localUrl);
+};
+
+export const removeUploadedAttachments = async (attachments: Attachment[]) => {
+  if (!attachments.length) {
+    return;
+  }
+  const { error } = await supabaseAdmin.storage
+    .from("attachments")
+    .remove(attachments.map((attachment) => attachment.path));
+  if (error) {
+    console.error("Could not remove the uploaded attachments", error);
+  }
+};