initial commit

functions/createShare/src/index.js

@@ -0,0 +1,58 @@
+const sdk = require("node-appwrite")
+const util = require("./util")
+
+module.exports = async function (req, res) {
+  const client = new sdk.Client();
+
+  // You can remove services you don't use
+  let database = new sdk.Database(client);
+  let storage = new sdk.Storage(client);
+
+  client
+    .setEndpoint(req.env["APPWRITE_FUNCTION_ENDPOINT"])
+    .setProject(req.env["APPWRITE_FUNCTION_PROJECT_ID"])
+    .setKey(req.env["APPWRITE_FUNCTION_API_KEY"])
+    .setSelfSigned(true);
+
+  // Payload (HTTP body) that was sent
+  const payload = JSON.parse(req.payload);
+
+  // User Id from the user which created a share
+  const userId = req.env["APPWRITE_FUNCTION_USER_ID"];
+
+  let securityDocumentId;
+
+  // If a security property was given create a document in the Share Security collection
+  if (Object.getOwnPropertyNames(payload.security).length != 0) {
+    securityDocumentId = (
+      await database.createDocument(
+        "shareSecurity",
+        "unique()",
+        { maxVisitors: payload.security.maxVisitors, password: payload.security.password ? util.hashPassword(payload.security.password, payload.id) : undefined, },
+        []
+      )
+    ).$id;
+  }
+
+  // Create the storage bucket
+  await storage.createBucket(
+    payload.id,
+    `Share-${payload.id}`,
+    "bucket",
+    ["role:all"],
+    [`user:${userId}`],
+  )
+
+  const expiration = Date.now() + (payload.expiration * 60 * 1000)
+
+  // Create document in Shares collection
+  await database.createDocument("shares", payload.id, {
+    securityID: securityDocumentId,
+    createdAt: Date.now(),
+    expiresAt: expiration,
+  });
+
+  res.json({
+    id: payload.id,
+  });
+};

functions/createShare/src/util.js

@@ -0,0 +1,9 @@
+const { scryptSync } = require("crypto");
+
+const hashPassword = (password, salt) => {
+    return scryptSync(password, salt, 64).toString("hex");
+}
+
+module.exports = {
+    hashPassword,
+}