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Code Issues Packages 1 Wiki Activity

Add content-type header to file_server (denoland/deno_std#47)

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Original: ab27371a01
This commit is contained in:
Bartek Iwańczuk 2018-12-31 10:06:06 +01:00 committed by Ryan Dahl
parent 95e378a28b
commit b65727734e
3 changed files with 93 additions and 0 deletions
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71
net/extension_map.json Normal file
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@ -0,0 +1,71 @@
{
"": "application/octet-stream",
".aac": "audio/aac",
".abw": "application/x-abiword",
".arc": "application/octet-stream",
".avi": "video/x-msvideo",
".azw": "application/vnd.amazon.ebook",
".bin": "application/octet-stream",
".bmp": "image/bmp",
".bz": "application/x-bzip",
".bz2": "application/x-bzip2",
".csh": "application/x-csh",
".css": "text/css",
".csv": "text/csv",
".doc": "application/msword",
".docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
".eot": "application/vnd.ms-fontobject",
".epub": "application/epub+zip",
".es": "application/ecmascript",
".gif": "image/gif",
".htm": "text/html",
".html": "text/html",
".ico": "image/x-icon",
".ics": "text/calendar",
".jar": "application/java-archive",
".jpeg": "image/jpeg",
".jpg": "image/jpeg",
".js": "application/javascript",
".json": "application/json",
".mid": "audio/x-midi",
".midi": "audio/x-midi",
".mpeg": "video/mpeg",
".mpkg": "application/vnd.apple.installer+xml",
".odp": "application/vnd.oasis.opendocument.presentation",
".ods": "application/vnd.oasis.opendocument.spreadsheet",
".odt": "application/vnd.oasis.opendocument.text",
".oga": "audio/ogg",
".ogv": "video/ogg",
".ogx": "application/ogg",
".otf": "font/otf",
".png": "image/png",
".pdf": "application/pdf",
".ppt": "application/vnd.ms-powerpoint",
".pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation",
".rar": "application/x-rar-compressed",
".rtf": "application/rtf",
".sh": "application/x-sh",
".svg": "image/svg+xml",
".swf": "application/x-shockwave-flash",
".tar": "application/x-tar",
".tif": "image/tiff",
".tiff": "image/tiff",
".ts": "application/typescript",
".ttf": "font/ttf",
".txt": "text/plain",
".vsd": "application/vnd.visio",
".wav": "audio/wav",
".weba": "audio/webm",
".webm": "video/webm",
".webp": "image/webp",
".woff": "font/woff",
".woff2": "font/woff2",
".xhtml": "application/xhtml+xml",
".xls": "application/vnd.ms-excel",
".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
".xml": "application/xml",
".xul": "application/vnd.mozilla.xul+xml",
".yml": "text/yaml",
".yaml": "text/yaml",
".zip": "application/zip"
}

21
net/file_server.ts
View file

@ -12,6 +12,8 @@ import {
Response
} from "./http.ts";
import { cwd, DenoError, ErrorKind, args, stat, readDir, open } from "deno";
import { extname } from "../path/index.ts";
import * as extensionsMap from "./extension_map.json";
const dirViewerTemplate = `
<!DOCTYPE html>
@ -160,11 +162,30 @@ async function serveDir(req: ServerRequest, dirPath: string, dirName: string) {
return res;
}
function guessContentType(filename: string): string {
let extension = extname(filename);
let contentType = extensionsMap[extension];
if (contentType) {
return contentType;
}
extension = extension.toLowerCase();
contentType = extensionsMap[extension];
if (contentType) {
return contentType;
}
return extensionsMap[''];
}
async function serveFile(req: ServerRequest, filename: string) {
const file = await open(filename);
const fileInfo = await stat(filename);
const headers = new Headers();
headers.set("content-length", fileInfo.len.toString());
headers.set("content-type", guessContentType(filename));
const res = {
status: 200,

1
net/file_server_test.ts
View file

@ -25,6 +25,7 @@ export function runTests(serverReadyPromise: Promise<any>) {
const res = await fetch("http://localhost:4500/.travis.yml");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
assertEqual(res.headers.get("content-type"), "text/yaml");
const downloadedFile = await res.text();
const localFile = new TextDecoder().decode(await readFile("./.travis.yml"));
assertEqual(downloadedFile, localFile);