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==LICENSE-BEGIN==\n// Copyright 2017 European Digital Reading Lab. All rights reserved.\n// Licensed to the Readium Foundation under one or more contributor license agreements.\n// Use of this source code is governed by a BSD-style license\n// that can be found in the LICENSE file exposed on Github (readium) in the project repository.\n// ==LICENSE-END==\n\nimport * as css2json from \"css2json\";\nimport * as debug_ from \"debug\";\nimport * as DotProp from \"dot-prop\";\nimport * as express from \"express\";\nimport * as jsonMarkup from \"json-markup\";\nimport * as morgan from \"morgan\";\nimport * as path from \"path\";\nimport * as request from \"request\";\nimport * as requestPromise from \"request-promise-native\";\n\nimport { LCP } from \"@r2-lcp-js/parser/epub/lcp\";\nimport { LSD } from \"@r2-lcp-js/parser/epub/lsd\";\nimport { TaJsonDeserialize, TaJsonSerialize } from \"@r2-lcp-js/serializable\";\nimport {\n encodeURIComponent_RFC3986, ensureAbsolute, isHTTP,\n} from \"@r2-utils-js/_utils/http/UrlUtils\";\nimport { traverseJsonObjects } from \"@r2-utils-js/_utils/JsonUtils\";\nimport { streamToBufferPromise } from \"@r2-utils-js/_utils/stream/BufferUtils\";\n\nimport { jsonSchemaValidate } from \"../utils/json-schema-validate\";\nimport { IRequestPayloadExtension, _urlEncoded } from \"./request-ext\";\nimport { Server } from \"./server\";\nimport { trailingSlashRedirect } from \"./server-trailing-slash-redirect\";\nimport { serverRemotePub_PATH } from \"./server-url\";\n\nconst debug = debug_(\"r2:streamer#http/lcp-lsd-show\");\n\n// tslint:disable-next-line:variable-name\nexport const serverLCPLSD_show_PATH = \"/lcp-lsd-show\";\n\nexport function serverLCPLSD_show(_server: Server, topRouter: express.Application) {\n\n // https://github.com/mafintosh/json-markup/blob/master/style.css\n const jsonStyle = `\n.json-markup {\n line-height: 17px;\n font-size: 13px;\n font-family: monospace;\n white-space: pre;\n}\n.json-markup-key {\n font-weight: bold;\n}\n.json-markup-bool {\n color: firebrick;\n}\n.json-markup-string {\n color: green;\n}\n.json-markup-null {\n color: gray;\n}\n.json-markup-number {\n color: blue;\n}\n`;\n\n // tslint:disable-next-line:variable-name\n const routerLCPLSD_show = express.Router({ strict: false });\n routerLCPLSD_show.use(morgan(\"combined\", { stream: { write: (msg: any) => debug(msg) } }));\n\n routerLCPLSD_show.use(trailingSlashRedirect);\n\n routerLCPLSD_show.get(\"/\", (_req: express.Request, res: express.Response) => {\n\n let html = \"<html><head>\";\n html += `<script type=\"text/javascript\">function encodeURIComponent_RFC3986(str) { ` +\n `return encodeURIComponent(str).replace(/[!'()*]/g, (c) => { ` +\n `return \"%\" + c.charCodeAt(0).toString(16); }); }` +\n `function go(evt) {` +\n `if (evt) { evt.preventDefault(); } var url = ` +\n `location.origin +` +\n // `location.protocol + '//' + location.hostname + ` +\n // `(location.port ? (':' + location.port) : '') + ` +\n ` '${serverLCPLSD_show_PATH}/' +` +\n ` encodeURIComponent_RFC3986(document.getElementById(\"url\").value);` +\n `location.href = url;}</script>`;\n html += \"</head>\";\n\n html += \"<body><h1>LCP / LSD examiner</h1>\";\n\n html += `<form onsubmit=\"go();return false;\">` +\n `<input type=\"text\" name=\"url\" id=\"url\" size=\"80\">` +\n `<input type=\"submit\" value=\"Go!\"></form>`;\n\n html += \"</body></html>\";\n\n res.status(200).send(html);\n });\n\n routerLCPLSD_show.param(\"urlEncoded\", (req, _res, next, value, _name) => {\n (req as IRequestPayloadExtension).urlEncoded = value;\n next();\n });\n\n routerLCPLSD_show.get(\"/:\" + _urlEncoded + \"(*)\", async (req: express.Request, res: express.Response) => {\n\n const reqparams = (req as IRequestPayloadExtension).params;\n\n if (!reqparams.urlEncoded) {\n reqparams.urlEncoded = (req as IRequestPayloadExtension).urlEncoded;\n }\n\n const urlDecoded = reqparams.urlEncoded;\n // if (urlDecoded.substr(-1) === \"/\") {\n // urlDecoded = urlDecoded.substr(0, urlDecoded.length - 1);\n // }\n debug(urlDecoded);\n\n const isSecureHttp = req.secure ||\n req.protocol === \"https\" ||\n req.get(\"X-Forwarded-Proto\") === \"https\"\n ;\n const rootUrl = (isSecureHttp ? \"https://\" : \"http://\")\n + req.headers.host;\n\n const failure = (err: any) => {\n debug(err);\n res.status(500).send(\"<html><body><p>Internal Server Error</p><p>\"\n + err + \"</p></body></html>\");\n };\n\n const success = async (response: request.RequestResponse) => {\n\n // Object.keys(response.headers).forEach((header: string) => {\n // debug(header + \" => \" + response.headers[header]);\n // });\n\n const isBadStatusCode = response.statusCode && (response.statusCode < 200 || response.statusCode >= 300);\n if (isBadStatusCode) {\n failure(\"HTTP CODE \" + response.statusCode);\n return;\n }\n\n let responseData: Buffer;\n try {\n responseData = await streamToBufferPromise(response);\n } catch (err) {\n debug(err);\n res.status(500).send(\"<html><body><p>Internal Server Error</p><p>\" + err + \"</p></body></html>\");\n return;\n }\n const responseStr = responseData.toString(\"utf8\");\n const responseJson = JSON.parse(responseStr);\n\n const isStatusDoc = responseJson.id &&\n responseJson.status &&\n responseJson.updated &&\n responseJson.links;\n\n const lcpOrLsd: LCP | LSD =\n isStatusDoc ?\n // tslint:disable-next-line: max-line-length\n TaJsonDeserialize<LSD>(responseJson, LSD) : // \"application/vnd.readium.license.status.v1.0+json\"\n // tslint:disable-next-line: max-line-length\n TaJsonDeserialize<LCP>(responseJson, LCP); // \"application/vnd.readium.lcp.license.v1.0+json\"\n\n const lcpOrLsdJson = TaJsonSerialize(lcpOrLsd);\n\n let validationStr: string | undefined;\n const doValidate = !reqparams.jsonPath || reqparams.jsonPath === \"all\";\n if (doValidate) {\n\n const jsonSchemasRootpath = path.join(process.cwd(), \"misc\", \"json-schema\");\n const jsonSchemasNames = [\n isStatusDoc ? 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\"LSD\" : \"LCP\") +\n \" JSON\" + \"</h1>\" +\n \"<h2><a href=\\\"\" + urlDecoded + \"\\\">\" + urlDecoded + \"</a></h2>\" +\n \"<hr>\" +\n \"<div style=\\\"overflow-x: auto;margin:0;padding:0;width:100%;height:auto;\\\">\" +\n jsonPretty + \"</div>\" +\n // tslint:disable-next-line:max-line-length\n (doValidate ? (validationStr ? (\"<hr><p><pre>\" + validationStr + \"</pre></p>\") : (\"<hr><p>JSON SCHEMA OK.</p>\")) : \"\") +\n // \"<p><pre>\" + jsonPretty + \"</pre></p>\" +\n // \"<hr><p><pre>\" + jsonStr + \"</pre></p>\" +\n // \"<p><pre>\" + dumpStr + \"</pre></p>\" +\n \"</body></html>\");\n };\n\n const headers = {\n \"Accept\": \"application/json,application/xml\",\n \"Accept-Language\": \"en-UK,en-US;q=0.7,en;q=0.5\",\n \"User-Agent\": \"READIUM2\",\n };\n\n // No response streaming! :(\n // https://github.com/request/request-promise/issues/90\n const needsStreamingResponse = true;\n if (needsStreamingResponse) {\n request.get({\n headers,\n method: \"GET\",\n uri: urlDecoded,\n })\n .on(\"response\", success)\n .on(\"error\", failure);\n } else {\n let response: requestPromise.FullResponse;\n try {\n // tslint:disable-next-line:await-promise no-floating-promises\n response = await requestPromise({\n headers,\n method: \"GET\",\n resolveWithFullResponse: true,\n uri: urlDecoded,\n });\n } catch (err) {\n failure(err);\n return;\n }\n\n await success(response);\n }\n });\n\n topRouter.use(serverLCPLSD_show_PATH, routerLCPLSD_show);\n}\n"]} |