Greasy Fork API

Get information from Greasy Fork and do actions in it.
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.org/scripts/445697/1758022/Greasy%20Fork%20API.js
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换行
// ==UserScript==
// @name Greasy Fork API
// @namespace -
// @version 3.2.0
// @description Get data from Greasy Fork, or/and do actions on Greasy Fork
// @author NotYou
// @license LGPL-3.0
// @connect greasyfork.org
// @connect sleazyfork.org
// @grant GM.xmlHttpRequest
// @grant GM.openInTab
// @require https://unpkg.com/[email protected]/lib/index.umd.js
// ==/UserScript==

!function (z) {
    'use strict';

    class Schemas {
        static Id = z.union([
            z.number().int().positive(),
            z.string().regex(/^(?!0)\d+$/)
        ])

        static Query = z.string().trim().optional()

        static Page = z.number().int().optional()

        static FilterLocale = z.boolean().optional()

        static Hostname = z.custom(value => {
            try {
                new URL(`https://${value}:80/`)

                return true
            } catch {
                return false
            }
        })

        static get Site() {
            return z.union([
                z.literal('*'),
                this.Hostname
            ]).optional()
        }

        static get ScriptsQuery() {
            return z.object({
                q: this.Query,
                page: this.Page,
                filter_locale: this.FilterLocale,
                sort: z.union([
                    z.literal('total_installs'),
                    z.literal('ratings'),
                    z.literal('created'),
                    z.literal('updated'),
                    z.literal('name'),
                ]).optional(),
                by: this.Id.optional(),
                language: z.union([
                    z.literal('js'),
                    z.literal('css'),
                ]).optional(),
                site: this.Site
            })
        }

        static get AdvancedScriptsQuery() {
            const Operator = z.union([
                z.literal('lt'),
                z.literal('gt'),
                z.literal('eq')
            ]).default('gt')

            const Installs = z.number().int().nonnegative().default(0)

            const Datetime = z.union([z.string().datetime(), z.custom(value => value === '')]).default('')

            return this.ScriptsQuery.extend({
                total_installs_operator: Operator,
                total_installs: Installs,
                daily_installs_operator: Operator,
                daily_installs: Installs,
                ratings_operator: Operator,
                ratings: z.number().min(0).max(1).default(0),
                created_operator: Operator,
                created: Datetime,
                updated_operator: Operator,
                updated: Datetime,
                entry_locales: z.array(z.number()).optional(),
                tz: z.string().regex(/^[A-Za-z0-9_+-]+\/[A-Za-z0-9_+-]+(?:\/[A-Za-z0-9_+-]+)?$/).optional()
            })
        }

        static get ScriptsBySiteQuery() {
            return this.ScriptsQuery.extend({
                site: this.Site
            })
        }

        static get ScriptSetQuery() {
            return this.ScriptsQuery.extend({
                set: this.Id
            }).omit({ by: true })
        }

        static get LibrariesQuery() {
            return z.object({
                q: this.Query,
                page: this.Page,
                filter_locale: this.FilterLocale,
                sort: z.union([
                    z.literal('created'),
                    z.literal('updated'),
                    z.literal('name')
                ]).optional(),
                by: this.Id.optional()
            })
        }

        static get UsersQuery() {
            return z.object({
                q: this.Query,
                page: this.Page,
                sort: z.union([
                    z.literal('name'),
                    z.literal('daily_installs'),
                    z.literal('total_installs'),
                    z.literal('ratings'),
                    z.literal('scripts'),
                    z.literal('created_scripts'),
                    z.literal('updated_scripts'),
                ]).optional(),
                author: z.boolean().optional()
            })
        }

        static GetResponse = z.object({
            params: z.array(
                z.tuple([
                    z.custom(value => value instanceof z.ZodSchema),
                    z.any()
                ])
            ),

            getUrl: z.function()
            .args(z.any().array())
            .returns(z.string()),

            type: z.union([
                z.literal('json'),
                z.literal('text')
            ])
        })

        static get Install() {
            return z.object({
                id: this.Id,
                type: z.union([z.literal('js'), z.literal('css')]).default('js')
            })
        }
    }

    class GreasyFork {
        constructor(isSleazyfork = false) {
            if (isSleazyfork) {
                this.hostname = 'api.sleazyfork.org'
            } else {
                this.hostname = 'api.greasyfork.org'
            }
        }

        Schemas = Schemas

        _formatZodError(zodError) {
            if (!(zodError instanceof z.ZodError)) {
                throw new Error('Provided value is not a ZodError')
            }

            const justDisplayMessage = issue => issue.message
            const formatPath = path => path.map(pathItem => {
                if (typeof pathItem === 'number') {
                    return `[${pathItem}]`
                }

                return pathItem.toString()
            }).join('.')

            const formatIssue = issue => {
                const issueFormatter = {
                    "invalid_type": issue => `${issue.message} at path: "${formatPath(issue.path)}"`,
                    "invalid_literal": issue => `${issue.message}, but got "${issue.received}"`,
                    "custom": justDisplayMessage,
                    "invalid_union": issue => {
                        const expectedValues = issue.unionErrors.map(unionError => `"${unionError.issues[0].expected}"`).join(' | ')

                        return `${issue.message} "${formatPath(issue.path)}", expected these values: ${expectedValues}`
                    },
                    "invalid_union_discriminator": justDisplayMessage,
                    "invalid_enum_value": justDisplayMessage,
                    "unrecognized_keys": justDisplayMessage,
                    "invalid_arguments": justDisplayMessage,
                    "invalid_return_type": justDisplayMessage,
                    "invalid_date": justDisplayMessage,
                    "invalid_string": issue => `Invalid string format, validation failed at "${issue.validation}"`,
                    "too_small": justDisplayMessage,
                    "too_big": justDisplayMessage,
                    "invalid_intersection_types": justDisplayMessage,
                    "not_multiple_of": justDisplayMessage,
                    "not_finite": justDisplayMessage
                }[issue.code]

                if (typeof issueFormatter === 'function') {
                    return issueFormatter(issue)
                }

                return `Got unrecognised error! Code: ${issue.code ?? 'undefined'}; Message: ${issue.message ?? 'undefined'}`
            }

            return zodError.issues.map(formatIssue).join('\n\n')
        }

        _getUrl(path) {
            if (path.startsWith('http')) {
                return path
            }

            return 'https://' + this.hostname + '/' + path
        }

        _formatHttpError(response) {
            if (typeof response !== 'object' || typeof response.status !== 'number' || typeof response.finalUrl !== 'string') {
                throw new Error('Provided object is not a response-like object')
            }

            const statusText = {
                400: 'Bad Request',
                401: 'Unauthorized',
                402: 'Payment Required',
                403: 'Forbidden',
                404: 'Not Found',
                405: 'Method Not Allowed',
                406: 'Not Acceptable',
                407: 'Proxy Authentication Required',
                408: 'Request Timeout',

                500: 'Internal Server Error',
                501: 'Not Implemented',
                502: 'Bad Gateway',
                503: 'Service Unavailable',
                504: 'Gateway Timeout',
            }[response.status] ?? `https://developer.mozilla.org/docs/Web/HTTP/Reference/Status/${status}`

            return `HTTP Error "${response.finalUrl}": ${response.status} ${statusText}`
        }

        _request(path, options = {}) {
            return new Promise((resolve, reject) => {
                GM.xmlHttpRequest({
                    url: this._getUrl(path),
                    anonymous: true,
                    onload: response => {
                        if (response.status === 200) {
                            resolve(response)
                        } else {
                            reject(this._formatHttpError(response))
                        }
                    },
                    onerror: reject,
                    ...options
                })
            })
        }

        _getTextData(path) {
            return this._request(path)
                .then(response => response.responseText)
        }

        _getJSONData(path) {
            return this._request(path, { responseType: 'json' })
                .then(response => response.response)
        }

        _dataToSearchParams(data) {
            for (const key in data) {
                const value = data[key]

                if (typeof value === 'boolean') {
                    data[key] = value ? 1 : 0
                } else if (typeof value === 'undefined' || value === null) {
                    delete data[key]
                }
            }

            return '?' + new URLSearchParams(data).toString()
        }

        _getResponse(options) {
            const result = this.Schemas.GetResponse.safeParse(options)

            if (!result.success) {
                throw new Error(this._formatZodError(result.error))
            }

            const results = options.params.map(([schema, param]) => schema.safeParse(param))
            const unsuccessfulResult = results.find(result => !result.success)

            if (unsuccessfulResult) {
                throw new Error(this._formatZodError(unsuccessfulResult.error))
            }

            const data = results.map(result => result.data)
            const url = options.getUrl(data)

            if (options.type === 'json') {
                return this._getJSONData(url)
            } else if (options.type === 'text') {
                return this._getTextData(url)
            }
        }

        get script() {
            return {
                getData: id => this._getResponse({
                    params: [
                        [this.Schemas.Id, id]
                    ],
                    getUrl: ([id]) => `scripts/${id}.json`,
                    type: 'json'
                }),

                getCode: id => this._getResponse({
                    params: [
                        [this.Schemas.Id, id]
                    ],
                    getUrl: ([id]) => `https://${this.hostname.replace('api.', '')}/scripts/${id}/code/script.js`,
                    type: 'text'
                }),

                getMeta: id => this._getResponse({
                    params: [
                        [this.Schemas.Id, id]
                    ],
                    getUrl: ([id]) => `https://${this.hostname.replace('api.', '')}/scripts/${id}/code/script.meta.js`,
                    type: 'text'
                }),

                getHistory: id => this._getResponse({
                    params: [
                        [this.Schemas.Id, id]
                    ],
                    getUrl: ([id]) => `scripts/${id}/versions.json`,
                    type: 'json'
                }),

                getStats: id => this._getResponse({
                    params: [
                        [this.Schemas.Id, id]
                    ],
                    getUrl: ([id]) => `scripts/${id}/stats.json`,
                    type: 'json'
                }),

                getStatsCsv: id => this._getResponse({
                    params: [
                        [this.Schemas.Id, id]
                    ],
                    getUrl: ([id]) => `scripts/${id}/stats.json`,
                    type: 'text'
                })
            }
        }

        getScripts(options = {}) {
            return this._getResponse({
                params: [
                    [this.Schemas.ScriptsQuery, options]
                ],
                getUrl: ([options]) => 'scripts.json' + this._dataToSearchParams(options),
                type: 'json'
            })
        }

        getScriptsAdvanced(options = {}) {
            return this._getResponse({
                params: [
                    [this.Schemas.AdvancedScriptsQuery, options]
                ],
                getUrl: ([options]) => {
                    options['entry_locales[]'] = options.entry_locales
                    delete options.entry_locales

                    return 'scripts.json' + this._dataToSearchParams(options)
                },
                type: 'json'
            })
        }

        getScriptsBySite(options = {}) {
            return this._getResponse({
                params: [
                    [this.Schemas.ScriptsBySiteQuery, options]
                ],
                getUrl: ([options]) => {
                    let url = `scripts/by-site/${options.site}.json`

                    delete options.site

                    return url + this._dataToSearchParams(options)
                },
                type: 'json'
            })
        }

        getSitesPopularity() {
            return this._getJSONData('/scripts/by-site.json')
        }

        getScriptSet(options = {}) {
            return this._getResponse({
                params: [
                    [this.Schemas.ScriptSetQuery, options]
                ],
                getUrl: ([options]) => 'scripts.json' + this._dataToSearchParams(options),
                type: 'json'
            })
        }

        getLibraries(options = {}) {
            return this._getResponse({
                params: [
                    [this.Schemas.LibrariesQuery, options]
                ],
                getUrl: ([options]) => 'scripts/libraries.json' + this._dataToSearchParams(options),
                type: 'json'
            })
        }

        getUserData(id) {
            return this._getResponse({
                params: [
                    [this.Schemas.Id, id]
                ],
                getUrl: ([id]) => `users/${id}.json`,
                type: 'json'
            })
        }

        getUsers(options = {}) {
            return this._getResponse({
                params: [
                    [this.Schemas.UsersQuery, options]
                ],
                getUrl: ([options]) => 'users.json' + this._dataToSearchParams(options),
                type: 'json'
            })
        }

        signOut() {
            return this._request('/users/sign_out', {
                anonymous: false
            })
        }

        installUserScript(options) {
            const result = this.Schemas.Install.safeParse(options)

            if (!result.success) {
                throw new Error(this._formatZodError(result.error))
            }

            options = result.data

            const url = this._getUrl(`scripts/${options.id}/code/userscript.user.${options.type}`)

            GM.openInTab(url, { active: true })
        }
    }

    let global = window

    if (typeof unsafeWindow !== 'undefined') {
        global = unsafeWindow
    }

    global.GreasyFork = GreasyFork
}(Zod);