n8n-nodes-instagram-integrations/dist/nodes/Instagram/GenericFunctions.js

N8N nodes for Instagram API integration with OAuth2 authentication

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAccessToken = getAccessToken;
exports.getInstagramBusinessAccountId = getInstagramBusinessAccountId;
exports.instagramApiRequest = instagramApiRequest;
exports.instagramApiRequestAllItems = instagramApiRequestAllItems;
exports.validateSignature = validateSignature;
const n8n_workflow_1 = require("n8n-workflow");
const crypto = __importStar(require("crypto"));
async function getAccessToken() {
    const credentials = (await this.getCredentials('instagramOAuth2Api'));
    const now = Math.floor(Date.now() / 1000);
    const longLivedToken = credentials.longLivedToken;
    const tokenExpiresAt = credentials.tokenExpiresAt || 0;
    if (longLivedToken && tokenExpiresAt > now) {
        return longLivedToken;
    }
    const oauthTokenData = credentials.oauthTokenData;
    const accessToken = oauthTokenData === null || oauthTokenData === void 0 ? void 0 : oauthTokenData.access_token;
    if (!accessToken) {
        throw new Error('No access token found. Please reconnect your Instagram account.');
    }
    if (longLivedToken && tokenExpiresAt <= now) {
        throw new Error('Instagram access token has expired. Please reconnect your account by clicking "Connect" in the credential settings.');
    }
    return accessToken;
}
async function getInstagramBusinessAccountId() {
    try {
        const accessToken = await getAccessToken.call(this);
        const options = {
            method: 'GET',
            url: 'https://graph.instagram.com/v23.0/me',
            qs: {
                access_token: accessToken,
                fields: 'id,name,account_type,media_count,user_id,username',
            },
            json: true,
        };
        const response = await this.helpers.request(options);
        if (response && response.id) {
            return response.id;
        }
        throw new Error('No Instagram Business Account found. Make sure your Facebook Page is connected to an Instagram Business Account.');
    }
    catch (error) {
        throw new n8n_workflow_1.NodeApiError(this.getNode(), error, {
            message: 'Failed to fetch Instagram Business Account ID, Error: ' + error.message,
        });
    }
}
async function instagramApiRequest(method, endpoint, body = {}, qs = {}) {
    const accessToken = await getAccessToken.call(this);
    const options = {
        method,
        body,
        qs: {
            ...qs,
            access_token: accessToken,
        },
        url: `https://graph.instagram.com/v23.0${endpoint}`,
        json: true,
    };
    if (Object.keys(body).length === 0) {
        delete options.body;
    }
    try {
        return await this.helpers.request(options);
    }
    catch (error) {
        throw new n8n_workflow_1.NodeApiError(this.getNode(), error);
    }
}
async function instagramApiRequestAllItems(method, endpoint, body = {}, qs = {}) {
    var _a, _b;
    const returnData = [];
    let responseData;
    qs.limit = 100;
    do {
        responseData = await instagramApiRequest.call(this, method, endpoint, body, qs);
        if (responseData.data) {
            returnData.push(...responseData.data);
        }
        if ((_a = responseData.paging) === null || _a === void 0 ? void 0 : _a.next) {
            const url = new URL(responseData.paging.next);
            qs.after = url.searchParams.get('after');
        }
        else {
            break;
        }
    } while ((_b = responseData.paging) === null || _b === void 0 ? void 0 : _b.next);
    return returnData;
}
function validateSignature(payload, signature, appSecret) {
    const hmac = crypto.createHmac('sha256', appSecret);
    const expectedSignature = 'sha256=' + hmac.update(payload).digest('hex');
    try {
        return crypto.timingSafeEqual(Buffer.from(signature), Buffer.from(expectedSignature));
    }
    catch (error) {
        return false;
    }
}
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