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feat: Create the auth_provider module
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‎modules/identities/db/migrations/20240703025745_/migration.sql‎

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-- CreateTable
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CREATE TABLE "UserIdentities" (
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"userId" UUID NOT NULL,
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"identityType" TEXT NOT NULL,
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"identityId" TEXT NOT NULL,
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"uniqueData" JSONB NOT NULL,
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"additionalData" JSONB NOT NULL,
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CONSTRAINT "UserIdentities_pkey" PRIMARY KEY ("userId","identityType","identityId")
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);
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-- CreateIndex
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CREATE INDEX "UserIdentities_userId_idx" ON "UserIdentities"("userId");
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-- CreateIndex
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CREATE INDEX "UserIdentities_identityType_identityId_idx" ON "UserIdentities"("identityType", "identityId");
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-- CreateIndex
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CREATE INDEX "UserIdentities_identityType_identityId_uniqueData_idx" ON "UserIdentities"("identityType", "identityId", "uniqueData");
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-- CreateIndex
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CREATE UNIQUE INDEX "UserIdentities_identityType_identityId_uniqueData_key" ON "UserIdentities"("identityType", "identityId", "uniqueData");

‎modules/identities/db/migrations/migration_lock.toml‎

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# Please do not edit this file manually
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# It should be added in your version-control system (i.e. Git)
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provider = "postgresql"

‎modules/identities/db/schema.prisma‎

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// Do not modify this `datasource` block
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datasource db {
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provider = "postgresql"
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url = env("DATABASE_URL")
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}
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model UserIdentities {
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userId String @db.Uuid
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// Used to identify the user from the identity
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identityType String
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identityId String
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uniqueData Json
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additionalData Json
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// Additional indexes for speed
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@@index([userId])
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@@index([identityType, identityId])
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// Each user should only have one identity per (type, id) pair (for now)
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@@id([userId, identityType, identityId])
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// Each identity should only be linked to one user
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@@index([identityType, identityId, uniqueData])
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@@unique([identityType, identityId, uniqueData])
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}

‎modules/identities/module.json‎

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{
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"name": "Identites",
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"description": "Manage identities and identity data for users.",
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"icon": "key",
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"tags": [
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"core",
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"user",
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"auth"
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],
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"authors": [
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"rivet-gg",
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"Blckbrry-Pi"
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],
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"status": "beta",
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"dependencies": {
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"rate_limit": {},
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"users": {},
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"tokens": {}
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},
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"scripts": {
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"list": {
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"name": "List Identities",
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"description": "List all identities the user is associated with.",
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"public": true
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},
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"get": {
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"name": "Get Identity Data",
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"description": "Get the data associated with a specific identity for a user."
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},
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"set": {
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"name": "Set Identity Data",
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"description": "Set the data associated with a specific identity for a user."
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},
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"sign_in": {
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"name": "Sign In With Identity",
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"description": "Sign in to a user with an identity."
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},
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"sign_up": {
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"name": "Sign Up With Identity",
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"description": "Sign up with an identity. Creates a new user."
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},
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"sign_in_or_sign_up": {
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"name": "Sign In or Sign Up With Identity",
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"description": "Sign in to a user with an identity, creating a new user if it fails."
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},
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"link": {
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"name": "Link Identity To User",
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"description": "Link a new identity and its associated data to a user. This is used for login and non-login identites."
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}
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},
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"routes": {},
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"errors": {
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"identity_provider_not_found": {
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"name": "Identity Provider Not Found"
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},
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"identity_provider_already_added": {
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"name": "Identity Provider Already Added To User"
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},
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"identity_provider_already_used": {
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"name": "Identity Provider Already Used By Other User"
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}
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}
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}

‎modules/identities/scripts/get.ts‎

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import { ScriptContext } from "../module.gen.ts";
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import { IdentityData, IdentityProviderInfo } from "../utils/types.ts";
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export interface Request {
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userToken: string;
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info: IdentityProviderInfo;
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}
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export interface Response {
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data: {
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uniqueData: IdentityData;
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additionalData: IdentityData;
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} | null;
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}
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export async function run(
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ctx: ScriptContext,
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req: Request,
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): Promise<Response> {
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await ctx.modules.rateLimit.throttle({
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key: req.userToken,
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period: 10,
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requests: 10,
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type: "user",
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});
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// Ensure the user token is valid and get the user ID
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const { userId } = await ctx.modules.users.authenticateToken({ userToken: req.userToken } );
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// Get identity data
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const identity = await ctx.db.userIdentities.findFirst({
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where: {
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userId,
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identityType: req.info.identityType,
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identityId: req.info.identityId,
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},
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select: {
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uniqueData: true,
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additionalData: true
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}
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});
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// Type checking to make typescript happy
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const data = identity ?? null;
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if (!data) {
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return { data: null };
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}
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const { uniqueData, additionalData } = data;
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if (typeof uniqueData !== 'object' || Array.isArray(uniqueData) || uniqueData === null) {
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return { data: null };
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}
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if (typeof additionalData !== 'object' || Array.isArray(additionalData) || additionalData === null) {
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return { data: null };
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}
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return { data: { uniqueData, additionalData } };
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}

‎modules/identities/scripts/link.ts‎

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import { RuntimeError, ScriptContext } from "../module.gen.ts";
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import { IdentityDataInput, IdentityProviderInfo } from "../utils/types.ts";
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export interface Request {
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userToken: string;
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info: IdentityProviderInfo;
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uniqueData: IdentityDataInput;
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additionalData: IdentityDataInput;
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}
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export interface Response {
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identityProviders: IdentityProviderInfo[];
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}
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export async function run(
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ctx: ScriptContext,
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req: Request,
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): Promise<Response> {
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await ctx.modules.rateLimit.throttle({
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key: req.userToken,
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period: 10,
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requests: 10,
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type: "user",
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});
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// Ensure the user token is valid and get the user ID
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const { userId } = await ctx.modules.users.authenticateToken({ userToken: req.userToken } );
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// Error if this identity provider is ALREADY associated with the user
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const { data: prevData } = await ctx.modules.identities.get({ userToken: req.userToken, info: req.info });
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if (prevData) throw new RuntimeError("identity_provider_already_added");
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// Add a new entry to the table with the associated data
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await ctx.db.userIdentities.create({
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data: {
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userId,
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identityType: req.info.identityType,
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identityId: req.info.identityId,
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uniqueData: req.uniqueData,
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additionalData: req.additionalData,
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},
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});
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return await ctx.modules.identities.list({ userToken: req.userToken });
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}

‎modules/identities/scripts/list.ts‎

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import { ScriptContext } from "../module.gen.ts";
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import { IdentityProviderInfo } from "../utils/types.ts";
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export interface Request {
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userToken: string;
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}
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export interface Response {
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identityProviders: IdentityProviderInfo[];
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}
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export async function run(
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ctx: ScriptContext,
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req: Request,
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): Promise<Response> {
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await ctx.modules.rateLimit.throttlePublic({});
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// Ensure the user token is valid and get the user ID
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const { userId } = await ctx.modules.users.authenticateToken({ userToken: req.userToken } );
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// Select identityType and identityId entries that match the userId
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const identityProviders = await ctx.db.userIdentities.findMany({
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where: {
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userId,
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},
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select: {
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identityType: true,
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identityId: true,
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}
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});
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return { identityProviders };
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}

‎modules/identities/scripts/set.ts‎

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import { ScriptContext, Empty, RuntimeError } from "../module.gen.ts";
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import { IdentityDataInput, IdentityProviderInfo } from "../utils/types.ts";
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export interface Request {
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userToken: string;
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info: IdentityProviderInfo;
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uniqueData?: IdentityDataInput;
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additionalData: IdentityDataInput;
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}
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export type Response = Empty;
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export async function run(
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ctx: ScriptContext,
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req: Request,
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): Promise<Response> {
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await ctx.modules.rateLimit.throttle({
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key: req.userToken,
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period: 10,
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requests: 10,
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type: "user",
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});
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// Ensure the user token is valid and get the user ID
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const { userId } = await ctx.modules.users.authenticateToken({ userToken: req.userToken } );
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// Error if this identity provider is not associated with the user
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const { data: prevData } = await ctx.modules.identities.get({ userToken: req.userToken, info: req.info });
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if (!prevData) throw new RuntimeError("identity_provider_not_found");
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// Update the identity data where userId, identityType, and identityId match
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await ctx.db.userIdentities.update({
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where: {
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userId_identityType_identityId: {
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userId,
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identityType: req.info.identityType,
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identityId: req.info.identityId,
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}
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},
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data: {
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uniqueData: req.uniqueData,
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additionalData: req.additionalData,
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},
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});
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return {};
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}

‎modules/identities/scripts/sign_in.ts‎

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import { ScriptContext } from "../module.gen.ts";
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import { IdentityDataInput, IdentityProviderInfo } from "../utils/types.ts";
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export interface Request {
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info: IdentityProviderInfo;
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uniqueData: IdentityDataInput;
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}
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export interface Response {
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userToken: string;
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}
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export async function run(
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ctx: ScriptContext,
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req: Request,
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): Promise<Response> {
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const key = req.info.identityType + ":" + req.info.identityId + ":" + JSON.stringify(req.uniqueData);
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await ctx.modules.rateLimit.throttle({
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key,
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period: 10,
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requests: 10,
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type: "user",
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});
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// Get users the provider is associated with
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const identity = await ctx.db.userIdentities.findFirst({
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where: {
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identityType: req.info.identityType,
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identityId: req.info.identityId,
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uniqueData: { equals: req.uniqueData },
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},
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select: {
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userId: true,
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},
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});
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// If the provider info/uniqueData combo is not associated with a user,
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// throw provider_not_found error.
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if (!identity) {
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throw new Error("identity_not_found");
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}
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// Generate a user token
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const { token: { token } } = await ctx.modules.users.createToken({ userId: identity.userId });
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return { userToken: token };
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}

‎modules/identities/scripts/sign_in_or_sign_up.ts‎

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import { RuntimeError, ScriptContext } from "../module.gen.ts";
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import { IdentityDataInput, IdentityProviderInfo } from "../utils/types.ts";
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export interface Request {
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info: IdentityProviderInfo;
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uniqueData: IdentityDataInput;
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additionalData: IdentityDataInput;
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username?: string;
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}
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export interface Response {
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userToken: string;
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}
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export async function run(
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ctx: ScriptContext,
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req: Request,
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): Promise<Response> {
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try {
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return await ctx.modules.identities.signIn({
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info: req.info,
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uniqueData: req.uniqueData,
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});
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} catch (e) {
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if (e instanceof RuntimeError) {
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if (e.code === "identity_not_found") {
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return await ctx.modules.identities.signUp({
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info: req.info,
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uniqueData: req.uniqueData,
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additionalData: req.additionalData,
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username: req.username,
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});
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}
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}
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throw e;
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}
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}

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