Bugfix/Restore Requests Tool (FlowiseAI#2513)

restore requests tool

packages/components/nodes/tools/RequestsGet/RequestsGet.ts

@@ -0,0 +1,72 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { desc, RequestParameters, RequestsGetTool } from './core'
+
+class RequestsGet_Tools implements INode {
+    label: string
+    name: string
+    version: number
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Requests Get'
+        this.name = 'requestsGet'
+        this.version = 1.0
+        this.type = 'RequestsGet'
+        this.icon = 'requestsget.svg'
+        this.category = 'Tools'
+        this.description = 'Execute HTTP GET requests'
+        this.baseClasses = [this.type, ...getBaseClasses(RequestsGetTool)]
+        this.inputs = [
+            {
+                label: 'URL',
+                name: 'url',
+                type: 'string',
+                description:
+                    'Agent will make call to this exact URL. If not specified, agent will try to figure out itself from AIPlugin if provided',
+                additionalParams: true,
+                optional: true
+            },
+            {
+                label: 'Description',
+                name: 'description',
+                type: 'string',
+                rows: 4,
+                default: desc,
+                description: 'Acts like a prompt to tell agent when it should use this tool',
+                additionalParams: true,
+                optional: true
+            },
+            {
+                label: 'Headers',
+                name: 'headers',
+                type: 'json',
+                additionalParams: true,
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const headers = nodeData.inputs?.headers as string
+        const url = nodeData.inputs?.url as string
+        const description = nodeData.inputs?.description as string
+
+        const obj: RequestParameters = {}
+        if (url) obj.url = url
+        if (description) obj.description = description
+        if (headers) {
+            const parsedHeaders = typeof headers === 'object' ? headers : JSON.parse(headers)
+            obj.headers = parsedHeaders
+        }
+
+        return new RequestsGetTool(obj)
+    }
+}
+
+module.exports = { nodeClass: RequestsGet_Tools }

packages/components/nodes/tools/RequestsGet/core.ts

@@ -0,0 +1,46 @@
+import fetch from 'node-fetch'
+import { Tool } from '@langchain/core/tools'
+
+export const desc = `A portal to the internet. Use this when you need to get specific content from a website. 
+Input should be a  url (i.e. https://www.google.com). The output will be the text response of the GET request.`
+
+export interface Headers {
+    [key: string]: string
+}
+
+export interface RequestParameters {
+    headers?: Headers
+    url?: string
+    description?: string
+    maxOutputLength?: number
+}
+
+export class RequestsGetTool extends Tool {
+    name = 'requests_get'
+    url = ''
+    description = desc
+    maxOutputLength = 2000
+    headers = {}
+
+    constructor(args?: RequestParameters) {
+        super()
+        this.url = args?.url ?? this.url
+        this.headers = args?.headers ?? this.headers
+        this.description = args?.description ?? this.description
+        this.maxOutputLength = args?.maxOutputLength ?? this.maxOutputLength
+    }
+
+    /** @ignore */
+    async _call(input: string) {
+        const inputUrl = !this.url ? input : this.url
+
+        if (process.env.DEBUG === 'true') console.info(`Making GET API call to ${inputUrl}`)
+
+        const res = await fetch(inputUrl, {
+            headers: this.headers
+        })
+
+        const text = await res.text()
+        return text.slice(0, this.maxOutputLength)
+    }
+}

packages/components/nodes/tools/RequestsPost/RequestsPost.ts

@@ -0,0 +1,86 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { RequestParameters, desc, RequestsPostTool } from './core'
+
+class RequestsPost_Tools implements INode {
+    label: string
+    name: string
+    version: number
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Requests Post'
+        this.name = 'requestsPost'
+        this.version = 1.0
+        this.type = 'RequestsPost'
+        this.icon = 'requestspost.svg'
+        this.category = 'Tools'
+        this.description = 'Execute HTTP POST requests'
+        this.baseClasses = [this.type, ...getBaseClasses(RequestsPostTool)]
+        this.inputs = [
+            {
+                label: 'URL',
+                name: 'url',
+                type: 'string',
+                description:
+                    'Agent will make call to this exact URL. If not specified, agent will try to figure out itself from AIPlugin if provided',
+                additionalParams: true,
+                optional: true
+            },
+            {
+                label: 'Body',
+                name: 'body',
+                type: 'json',
+                description:
+                    'JSON body for the POST request. If not specified, agent will try to figure out itself from AIPlugin if provided',
+                additionalParams: true,
+                optional: true
+            },
+            {
+                label: 'Description',
+                name: 'description',
+                type: 'string',
+                rows: 4,
+                default: desc,
+                description: 'Acts like a prompt to tell agent when it should use this tool',
+                additionalParams: true,
+                optional: true
+            },
+            {
+                label: 'Headers',
+                name: 'headers',
+                type: 'json',
+                additionalParams: true,
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const headers = nodeData.inputs?.headers as string
+        const url = nodeData.inputs?.url as string
+        const description = nodeData.inputs?.description as string
+        const body = nodeData.inputs?.body as string
+
+        const obj: RequestParameters = {}
+        if (url) obj.url = url
+        if (description) obj.description = description
+        if (headers) {
+            const parsedHeaders = typeof headers === 'object' ? headers : JSON.parse(headers)
+            obj.headers = parsedHeaders
+        }
+        if (body) {
+            const parsedBody = typeof body === 'object' ? body : JSON.parse(body)
+            obj.body = parsedBody
+        }
+
+        return new RequestsPostTool(obj)
+    }
+}
+
+module.exports = { nodeClass: RequestsPost_Tools }

packages/components/nodes/tools/RequestsPost/core.ts

@@ -0,0 +1,72 @@
+import { Tool } from '@langchain/core/tools'
+import fetch from 'node-fetch'
+
+export const desc = `Use this when you want to POST to a website.
+Input should be a json string with two keys: "url" and "data".
+The value of "url" should be a string, and the value of "data" should be a dictionary of 
+key-value pairs you want to POST to the url as a JSON body.
+Be careful to always use double quotes for strings in the json string
+The output will be the text response of the POST request.`
+
+export interface Headers {
+    [key: string]: string
+}
+
+export interface Body {
+    [key: string]: any
+}
+
+export interface RequestParameters {
+    headers?: Headers
+    body?: Body
+    url?: string
+    description?: string
+    maxOutputLength?: number
+}
+
+export class RequestsPostTool extends Tool {
+    name = 'requests_post'
+    url = ''
+    description = desc
+    maxOutputLength = Infinity
+    headers = {}
+    body = {}
+
+    constructor(args?: RequestParameters) {
+        super()
+        this.url = args?.url ?? this.url
+        this.headers = args?.headers ?? this.headers
+        this.body = args?.body ?? this.body
+        this.description = args?.description ?? this.description
+        this.maxOutputLength = args?.maxOutputLength ?? this.maxOutputLength
+    }
+
+    /** @ignore */
+    async _call(input: string) {
+        try {
+            let inputUrl = ''
+            let inputBody = {}
+            if (Object.keys(this.body).length || this.url) {
+                if (this.url) inputUrl = this.url
+                if (Object.keys(this.body).length) inputBody = this.body
+            } else {
+                const { url, data } = JSON.parse(input)
+                inputUrl = url
+                inputBody = data
+            }
+
+            if (process.env.DEBUG === 'true') console.info(`Making POST API call to ${inputUrl} with body ${JSON.stringify(inputBody)}`)
+
+            const res = await fetch(inputUrl, {
+                method: 'POST',
+                headers: this.headers,
+                body: JSON.stringify(inputBody)
+            })
+
+            const text = await res.text()
+            return text.slice(0, this.maxOutputLength)
+        } catch (error) {
+            return `${error}`
+        }
+    }
+}