RSSHub/lib/v2/fansly/utils.js

import got from '@/utils/got';
import * as path from 'node:path';
import { art } from '@/utils/render';

const apiBaseUrl = 'https://apiv3.fansly.com';
const baseUrl = 'https://fansly.com';
const icon = `${baseUrl}/assets/images/icons/apple-touch-icon.png`;

const findAccountById = (accountId, accounts) => {
    const account = accounts.find((account) => account.id === accountId);
    return {
        displayName: account.displayName,
        username: account.username,
    };
};

const getAccountByUsername = (username, tryGet) =>
    tryGet(`fansly:account:${username.toLowerCase()}`, async () => {
        const { data: accountResponse } = await got(`${apiBaseUrl}/api/v1/account`, {
            searchParams: {
                usernames: username,
                'ngsw-bypass': true,
            },
        });

        if (!accountResponse.response.length) {
            throw new Error('This profile or page does not exist.');
        }

        return accountResponse.response[0];
    });

const getTimelineByAccountId = async (accountId) => {
    const { data: timeline } = await got(`${apiBaseUrl}/api/v1/timelinenew/${accountId}`, {
        searchParams: {
            before: 0,
            after: 0,
            wallId: '',
            contentSearch: '',
            'ngsw-bypass': true,
        },
    });

    return timeline.response;
};

const getTagId = (tag, tryGet) =>
    tryGet(`fansly:tag:${tag.toLowerCase()}`, async () => {
        const { data: tagResponse } = await got(`${apiBaseUrl}/api/v1/contentdiscovery/media/tag`, {
            searchParams: {
                tag,
                'ngsw-bypass': true,
            },
        });

        if (!tagResponse.response.mediaOfferSuggestionTag) {
            throw new Error("Couldn't find this hashtag.");
        }

        return tagResponse.response.mediaOfferSuggestionTag.id;
    });

const getTagSuggestion = async (tagId) => {
    const { data: suggestionResponse } = await got(`${apiBaseUrl}/api/v1/contentdiscovery/media/suggestionsnew`, {
        searchParams: {
            before: 0,
            after: 0,
            tagIds: tagId,
            limit: 25,
            offset: 0,
            'ngsw-bypass': true,
        },
    });

    return suggestionResponse.response;
};

const parseDescription = (post, aggregationData) => post.content.replaceAll('\n', '<br>') + '<br>' + parseAttachments(post.attachments, aggregationData);

const parseAttachments = (attachments, aggregationData) =>
    attachments
        .map((attachment) => {
            switch (attachment.contentType) {
                case 1:
                    // single media
                    return parseMedia(attachment.contentId, aggregationData.accountMedia);
                case 2: {
                    // media bundle
                    let attachments = '';
                    const bundle = aggregationData.accountMediaBundles.find((bundle) => bundle.id === attachment.contentId);
                    for (const mediaId of bundle.accountMediaIds) {
                        attachments += parseMedia(mediaId, aggregationData.accountMedia);
                    }
                    return attachments;
                }
                case 8: {
                    // aggregated post (repost)
                    let attachments = '<br><br>';
                    const repost = aggregationData.aggregatedPosts.find((post) => post.id === attachment.contentId) || aggregationData.posts.find((post) => post.id === attachment.contentId);
                    attachments += parseDescription(repost, aggregationData);

                    return attachments;
                }

                case 7100:
                    return renderTipGoal(attachment.contentId, aggregationData.tipGoals);
                case 32001:
                    // unknown
                    return '';
                case 42001:
                    return renderPoll(attachment.contentId, aggregationData.polls);

                default:
                    throw new Error(`Unhandled attachment type: ${attachment.contentType} for post ${attachment.postId}`);
            }
        })
        .join('');

const parseMedia = (contentId, accountMedia) => {
    const media = accountMedia.find((media) => media.id === contentId);
    if (!media) {
        return '';
    }
    return renderMedia(media.preview ?? media.media);
};

const renderMedia = (media) => {
    switch (media.mimetype) {
        case 'image/gif':
        case 'image/jpeg':
        case 'image/png':
        case 'video/mp4':
        case 'audio/mp4':
            return art(path.join(__dirname, 'templates/media.art'), {
                poster: media.mimetype === 'video/mp4' ? media.variants[0].locations[0] : null,
                src: media.locations[0],
            });
        default:
            throw new Error(`Unhandled media type: ${media.mimetype}`);
    }
};

const renderPoll = (pollId, polls) => {
    const poll = polls.find((poll) => poll.id === pollId);
    return art(path.join(__dirname, 'templates/poll.art'), {
        title: poll.question,
        options: poll.options,
        version: poll.version,
    });
};
const renderTipGoal = (tipGoalId, tipGoals) => {
    const goal = tipGoals.find((goal) => goal.id === tipGoalId);
    return art(path.join(__dirname, 'templates/tip-goal.art'), {
        label: goal.label,
        description: goal.description,
        currentAmount: goal.currentAmount,
        goalAmount: goal.goalAmount,
        currentPercentage: goal.currentPercentage,
    });
};

module.exports = {
    findAccountById,
    baseUrl,
    icon,
    getAccountByUsername,
    getTimelineByAccountId,
    getTagId,
    getTagSuggestion,
    parseAttachments,
    parseDescription,
    parseMedia,
    renderMedia,
    renderPoll,
    renderTipGoal,
};