diff --git a/Dockerfile b/Dockerfile index e116e7b..25ad6b7 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,5 +1,7 @@ FROM node:18-buster +ENV DEBIAN_FRONTEND=noninteractive + # Create app directory WORKDIR /app @@ -9,5 +11,11 @@ COPY . . # Install Requirements and build the app RUN npm install && npm run build; + +# Install required dependencies +RUN apt update && apt install -y \ + poppler-utils poppler-data \ + && rm -rf /var/lib/apt/lists/* + EXPOSE 5386 CMD [ "npm", "run", "start" ] diff --git a/package-lock.json b/package-lock.json index 38a4a9e..dcafffc 100644 --- a/package-lock.json +++ b/package-lock.json @@ -6,10 +6,14 @@ "": { "dependencies": { "@types/express": "^4.17.13", - "@types/express-handlebars": "^6.0.0", + "@types/mmmagic": "^0.4.30", + "@types/multer": "^1.4.7", "dotenv": "^16.0.0", "express": "^4.18.1", "express-handlebars": "^6.0.5", + "mmmagic": "^0.5.3", + "multer": "^1.4.4", + "node-poppler": "^5.1.4", "ts-node": "^10.7.0", "typescript": "^4.6.4" }, @@ -84,15 +88,6 @@ "@types/serve-static": "*" } }, - "node_modules/@types/express-handlebars": { - "version": "6.0.0", - "resolved": "https://registry.npmjs.org/@types/express-handlebars/-/express-handlebars-6.0.0.tgz", - "integrity": "sha512-L0G9j7xc9k6FavI9CCUueJf7YHGE5b+gXV4NGGcObTbLqvZ2TwebEsrFb1b8NEc2kDf22Mu+jCDPjvWzfCS0Gw==", - "deprecated": "This is a stub types definition. express-handlebars provides its own type definitions, so you do not need this installed.", - "dependencies": { - "express-handlebars": "*" - } - }, "node_modules/@types/express-serve-static-core": { "version": "4.17.28", "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.28.tgz", @@ -108,6 +103,22 @@ "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.2.tgz", "integrity": "sha512-YATxVxgRqNH6nHEIsvg6k2Boc1JHI9ZbH5iWFFv/MTkchz3b1ieGDa5T0a9RznNdI0KhVbdbWSN+KWWrQZRxTw==" }, + "node_modules/@types/mmmagic": { + "version": "0.4.30", + "resolved": "https://registry.npmjs.org/@types/mmmagic/-/mmmagic-0.4.30.tgz", + "integrity": "sha512-9vIXhXpcWjOF07LHN96Rdq9zI+jd7ah9de3vaAw2+rxzy+i6+aVIkIm52Xgr0i89YaP0M1Az3A65a20/VDWDTg==", + "dependencies": { + "@types/node": "*" + } + }, + "node_modules/@types/multer": { + "version": "1.4.7", + "resolved": "https://registry.npmjs.org/@types/multer/-/multer-1.4.7.tgz", + "integrity": "sha512-/SNsDidUFCvqqcWDwxv2feww/yqhNeTRL5CVoL3jU4Goc4kKEL10T7Eye65ZqPNi4HRx8sAEX59pV1aEH7drNA==", + "dependencies": { + "@types/express": "*" + } + }, "node_modules/@types/node": { "version": "17.0.31", "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.31.tgz", @@ -188,6 +199,11 @@ "node": ">= 8" } }, + "node_modules/append-field": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz", + "integrity": "sha1-HjRA6RXwsSA9I3SOeO3XubW0PlY=" + }, "node_modules/arg": { "version": "4.1.3", "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz", @@ -260,8 +276,19 @@ "node_modules/buffer-from": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz", - "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==", - "dev": true + "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==" + }, + "node_modules/busboy": { + "version": "0.2.14", + "resolved": "https://registry.npmjs.org/busboy/-/busboy-0.2.14.tgz", + "integrity": "sha1-bCpiLvz0fFe7vh4qnDetNseSVFM=", + "dependencies": { + "dicer": "0.2.5", + "readable-stream": "1.1.x" + }, + "engines": { + "node": ">=0.8.0" + } }, "node_modules/bytes": { "version": "3.1.2", @@ -283,6 +310,17 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/camelcase": { + "version": "6.3.0", + "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-6.3.0.tgz", + "integrity": "sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==", + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + }, "node_modules/chokidar": { "version": "3.5.3", "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz", @@ -316,6 +354,52 @@ "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=", "dev": true }, + "node_modules/concat-stream": { + "version": "1.6.2", + "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz", + "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==", + "engines": [ + "node >= 0.8" + ], + "dependencies": { + "buffer-from": "^1.0.0", + "inherits": "^2.0.3", + "readable-stream": "^2.2.2", + "typedarray": "^0.0.6" + } + }, + "node_modules/concat-stream/node_modules/isarray": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz", + "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=" + }, + "node_modules/concat-stream/node_modules/readable-stream": { + "version": "2.3.7", + "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz", + "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==", + "dependencies": { + "core-util-is": "~1.0.0", + "inherits": "~2.0.3", + "isarray": "~1.0.0", + "process-nextick-args": "~2.0.0", + "safe-buffer": "~5.1.1", + "string_decoder": "~1.1.1", + "util-deprecate": "~1.0.1" + } + }, + "node_modules/concat-stream/node_modules/safe-buffer": { + "version": "5.1.2", + "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz", + "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==" + }, + "node_modules/concat-stream/node_modules/string_decoder": { + "version": "1.1.1", + "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz", + "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==", + "dependencies": { + "safe-buffer": "~5.1.0" + } + }, "node_modules/content-disposition": { "version": "0.5.4", "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz", @@ -348,6 +432,11 @@ "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz", "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=" }, + "node_modules/core-util-is": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz", + "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==" + }, "node_modules/create-require": { "version": "1.1.1", "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz", @@ -378,6 +467,18 @@ "npm": "1.2.8000 || >= 1.4.16" } }, + "node_modules/dicer": { + "version": "0.2.5", + "resolved": "https://registry.npmjs.org/dicer/-/dicer-0.2.5.tgz", + "integrity": "sha1-WZbAhrszIYyBLAkL3cCc0S+stw8=", + "dependencies": { + "readable-stream": "1.1.x", + "streamsearch": "0.1.2" + }, + "engines": { + "node": ">=0.8.0" + } + }, "node_modules/diff": { "version": "4.0.2", "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz", @@ -784,6 +885,11 @@ "node": ">=0.12.0" } }, + "node_modules/isarray": { + "version": "0.0.1", + "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz", + "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=" + }, "node_modules/make-error": { "version": "1.3.6", "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz", @@ -869,11 +975,57 @@ "node": ">=10" } }, + "node_modules/mmmagic": { + "version": "0.5.3", + "resolved": "https://registry.npmjs.org/mmmagic/-/mmmagic-0.5.3.tgz", + "integrity": 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"https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.0.tgz", @@ -2160,6 +2521,11 @@ "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==", "dev": true }, + "process-nextick-args": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz", + "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==" + }, "proxy-addr": { "version": "2.0.7", "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz", @@ -2193,6 +2559,17 @@ "unpipe": "1.0.0" } }, + "readable-stream": { + "version": "1.1.14", + "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz", + "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=", + "requires": { + "core-util-is": "~1.0.0", + "inherits": "~2.0.1", + "isarray": "0.0.1", + "string_decoder": "~0.10.x" + } + }, "readdirp": { "version": "3.6.0", "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz", @@ -2305,6 +2682,16 @@ "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz", "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ==" }, + "streamsearch": { + "version": "0.1.2", + "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-0.1.2.tgz", + "integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo=" + }, + "string_decoder": { + "version": "0.10.31", + "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz", + "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=" + }, "strip-bom": { "version": "3.0.0", "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz", @@ -2418,6 +2805,11 @@ "mime-types": "~2.1.24" } }, + "typedarray": { + "version": "0.0.6", + "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz", + "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=" + }, "typescript": { "version": "4.6.4", "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.4.tgz", @@ -2434,6 +2826,16 @@ "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=" }, + "upath": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/upath/-/upath-2.0.1.tgz", + "integrity": "sha512-1uEe95xksV1O0CYKXo8vQvN1JEbtJp7lb7C5U9HMsIp6IVwntkH/oNUzyVNQSd4S1sYk2FpSSW44FqMc8qee5w==" + }, + "util-deprecate": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", + "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=" + }, "utils-merge": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz", @@ -2462,8 +2864,7 @@ "xtend": { "version": "4.0.2", "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz", - "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==", - "dev": true + "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==" }, "yn": { "version": "3.1.1", diff --git a/package.json b/package.json index daf446c..345cd89 100644 --- a/package.json +++ b/package.json @@ -1,7 +1,7 @@ { "scripts": { "start": "node ./dist/app.js", - "test": "cd src && ts-node-dev --respawn app.ts", + "test": "ts-node-dev --respawn src/app.ts", "build": "tsc" }, "devDependencies": { @@ -9,9 +9,14 @@ }, "dependencies": { "@types/express": "^4.17.13", + "@types/mmmagic": "^0.4.30", + "@types/multer": "^1.4.7", "dotenv": "^16.0.0", "express": "^4.18.1", "express-handlebars": "^6.0.5", + "mmmagic": "^0.5.3", + "multer": "^1.4.4", + "node-poppler": "^5.1.4", "ts-node": "^10.7.0", "typescript": "^4.6.4" } diff --git a/src/Controllers/Convert.ts b/src/Controllers/Convert.ts new file mode 100644 index 0000000..351a8f5 --- /dev/null +++ b/src/Controllers/Convert.ts @@ -0,0 +1,86 @@ +import { Request, Response, NextFunction, Router } from 'express'; +import { Magic, MAGIC_MIME_TYPE } from 'mmmagic'; +import { findFile, returnError } from '../Helpers/ApiHelper'; +import { convertFileToPNG } from '../Models/ConversionModel'; + +const magic = new Magic(MAGIC_MIME_TYPE); + +const convertController = async (req: Request, res: Response, next: NextFunction) => { + + // Check if any files were sent over. + if ( !req.files || req.files?.length <= 0 ) { + return returnError(res, { + "message": "No files have been provided, this api endpoint requres files to be able to process them", + "error": "Empty files array" + }) + } + + // Get our file + const inputFile = findFile('inputFile', req.files as Express.Multer.File[]); + + // Check if we have an input File + if ( inputFile == null ) { + return returnError(res, { + "message": "Broken file name in request, please try again.", + "error": "Files are in the call, but we require the name inputFile to be sent over." + }) + } + + let inputFileType: string | null = null; + + // Get the input file format + await new Promise((_r, _e) => { + magic.detectFile(inputFile.path, (err, fileType) => { + if ( err ) { + return _e(err); + } else { + return _r(fileType); + } + }) + }) + .then( ftype => { + console.log(ftype); + + if ( typeof ftype != 'object' ) { + inputFileType = ftype; + } else { + inputFileType = ftype[0]; + } + + }) + .catch( err => { + console.error(err); + }) + + if ( !!!inputFileType ) { + return returnError(res, { + message: "Could not determine a valid input file type", + error: "Could not determine a valid input file type", + }) + } + + // Check if we have the target Format + const targetFormat = req.body.targetFormat + + // Predefine the result + let result: string | null = null; + + // Check for the input/output formats + if ( targetFormat == 'png' && inputFileType == 'application/pdf' ) { + await convertFileToPNG(inputFile) + .then( data => { + result = data.toString(`base64`); + }) + .catch( err => { + console.error(err); + }) + } + + res.status(200).send({ + message: `Conversion completed`, + result: result, + }); + +} + +export { convertController } \ No newline at end of file diff --git a/src/Controllers/Homepage.ts b/src/Controllers/Homepage.ts index 7b97a8b..1bc694f 100644 --- a/src/Controllers/Homepage.ts +++ b/src/Controllers/Homepage.ts @@ -1,6 +1,6 @@ import { Request, Response, NextFunction, Router } from 'express'; -const homepageController = ( req:Request, res:Response, next:NextFunction ) => { +const homepageController = ( req: Request, res: Response, next: NextFunction ) => { // Make sure that the browser isn't caching this res.setHeader(`Cache-Control`, `no-cache, must-revalidate`); diff --git a/src/Helpers/ApiHelper.ts b/src/Helpers/ApiHelper.ts new file mode 100644 index 0000000..7705116 --- /dev/null +++ b/src/Helpers/ApiHelper.ts @@ -0,0 +1,19 @@ +import { Response } from "express"; + +export function returnError(res: Response, content: any, status: number = 400) { + res.status(status).send(content); +} + +export function findFile(fieldName: string, fileList: Express.Multer.File[]): Express.Multer.File | null { + + // Go through all files + for ( let file of fileList ) { + // Check if the field name matches + if ( file.fieldname == fieldName) { + // Return the found file + return file; + } + } + + return null; +} \ No newline at end of file diff --git a/src/Models/ConversionModel.ts b/src/Models/ConversionModel.ts new file mode 100644 index 0000000..9234264 --- /dev/null +++ b/src/Models/ConversionModel.ts @@ -0,0 +1,36 @@ +import { Poppler } from "node-poppler"; +import fs from "fs/promises"; + + +export function convertFileToPNG(file: Express.Multer.File): Promise { + + return new Promise((_r, _e) => { + + console.log(file); + // Read the file + fs.readFile(file.path) + .then( fileBuffer => { + let p = new Poppler(`/usr/bin`); + p.pdfToCairo(fileBuffer, undefined, { + pngFile: true, + singleFile: true, + }) + .then( buff => { + + if ( buff instanceof Error ) { + return _e(buff); + } + + _r(Buffer.from(buff)); + }) + .catch(err => { + _e(err); + }) + }) + .catch( err => { + return _e(err); + }) + + }) + +} \ No newline at end of file diff --git a/src/Routes/Api.ts b/src/Routes/Api.ts new file mode 100644 index 0000000..215fa26 --- /dev/null +++ b/src/Routes/Api.ts @@ -0,0 +1,23 @@ +// Imports +import express from 'express'; +import multer from 'multer'; +import { convertController } from '../Controllers/Convert'; + +const upload = multer({ dest: '/tmp' }); + +// Get the router +const router = express.Router(); + +router.get(`/`, (req, res, next) => { + res.status(200).send({ + status: "Healthy", + healthStatus: "100%", + version: "1.0.0", + }); +}) + +// Set the route +router.post("/convert", upload.any(), convertController); + +// Export the reouter +export {router as apiRouter}; \ No newline at end of file diff --git a/src/app.ts b/src/app.ts index 8a49faf..a8af91d 100644 --- a/src/app.ts +++ b/src/app.ts @@ -4,6 +4,7 @@ import express from 'express'; import config from './Config/config'; import { engine } from 'express-handlebars'; import { homepageRouter } from './Routes/Homepage'; +import { apiRouter } from './Routes/Api'; //#endregion @@ -58,6 +59,8 @@ router.use((req, res, next) => { router.use(`/public`, express.static('./src/public/')); // Handle the homepage +router.use("/api", apiRouter); + router.get("/", homepageRouter); { // Error handling