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textproto: fix invalid header error and move tests (denoland/deno_std#369)

Original: b6aaddbcc0
This commit is contained in:
Vincent LE GOFF 2019-05-01 18:13:23 +02:00 committed by Ryan Dahl
parent adf9cf9949
commit 80161217d3
3 changed files with 175 additions and 85 deletions

View file

@ -119,7 +119,11 @@ export class TextProtoReader {
}
let value = str(kv.subarray(i));
// In case of invalid header we swallow the error
// example: "Audio Mode" => invalid due to space in the key
try {
m.append(key, value);
} catch {}
if (err != null) {
throw err;

167
textproto/reader_test.ts Normal file
View file

@ -0,0 +1,167 @@
// Based on https://github.com/golang/go/blob/master/src/net/textproto/reader_test.go
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
import { BufReader } from "../io/bufio.ts";
import { TextProtoReader, ProtocolError } from "./mod.ts";
import { stringsReader } from "../io/util.ts";
import { assert, assertEquals, assertThrows } from "../testing/asserts.ts";
import { test } from "../testing/mod.ts";
function reader(s: string): TextProtoReader {
return new TextProtoReader(new BufReader(stringsReader(s)));
}
// test({
// name: "[textproto] Reader : DotBytes",
// async fn(): Promise<void> {
// const input =
// "dotlines\r\n.foo\r\n..bar\n...baz\nquux\r\n\r\n.\r\nanot.her\r\n";
// }
// });
test(async function textprotoReadEmpty(): Promise<void> {
let r = reader("");
let [, err] = await r.readMIMEHeader();
// Should not crash!
assertEquals(err, "EOF");
});
test(async function textprotoReader(): Promise<void> {
let r = reader("line1\nline2\n");
let [s, err] = await r.readLine();
assertEquals(s, "line1");
assert(err == null);
[s, err] = await r.readLine();
assertEquals(s, "line2");
assert(err == null);
[s, err] = await r.readLine();
assertEquals(s, "");
assert(err == "EOF");
});
test({
name: "[textproto] Reader : MIME Header",
async fn(): Promise<void> {
const input =
"my-key: Value 1 \r\nLong-key: Even Longer Value\r\nmy-Key: Value 2\r\n\n";
const r = reader(input);
const [m, err] = await r.readMIMEHeader();
assertEquals(m.get("My-Key"), "Value 1, Value 2");
assertEquals(m.get("Long-key"), "Even Longer Value");
assert(!err);
}
});
test({
name: "[textproto] Reader : MIME Header Single",
async fn(): Promise<void> {
const input = "Foo: bar\n\n";
const r = reader(input);
let [m, err] = await r.readMIMEHeader();
assertEquals(m.get("Foo"), "bar");
assert(!err);
}
});
test({
name: "[textproto] Reader : MIME Header No Key",
async fn(): Promise<void> {
const input = ": bar\ntest-1: 1\n\n";
const r = reader(input);
let [m, err] = await r.readMIMEHeader();
assertEquals(m.get("Test-1"), "1");
assert(!err);
}
});
test({
name: "[textproto] Reader : Large MIME Header",
async fn(): Promise<void> {
const data = [];
// Go test is 16*1024. But seems it can't handle more
for (let i = 0; i < 1024; i++) {
data.push("x");
}
const sdata = data.join("");
const r = reader(`Cookie: ${sdata}\r\n`);
let [m] = await r.readMIMEHeader();
assertEquals(m.get("Cookie"), sdata);
// TODO re-enable, here err === "EOF" is has to be null
// assert(!err);
}
});
// Test that we read slightly-bogus MIME headers seen in the wild,
// with spaces before colons, and spaces in keys.
test({
name: "[textproto] Reader : MIME Header Non compliant",
async fn(): Promise<void> {
const input =
"Foo: bar\r\n" +
"Content-Language: en\r\n" +
"SID : 0\r\n" +
"Audio Mode : None\r\n" +
"Privilege : 127\r\n\r\n";
const r = reader(input);
let [m, err] = await r.readMIMEHeader();
assertEquals(m.get("Foo"), "bar");
assertEquals(m.get("Content-Language"), "en");
assertEquals(m.get("SID"), "0");
assertEquals(m.get("Privilege"), "127");
assert(!err);
// Not a legal http header
assertThrows(
(): void => {
assertEquals(m.get("Audio Mode"), "None");
}
);
}
});
test({
name: "[textproto] Reader : MIME Header Malformed",
async fn(): Promise<void> {
const input = [
"No colon first line\r\nFoo: foo\r\n\r\n",
" No colon first line with leading space\r\nFoo: foo\r\n\r\n",
"\tNo colon first line with leading tab\r\nFoo: foo\r\n\r\n",
" First: line with leading space\r\nFoo: foo\r\n\r\n",
"\tFirst: line with leading tab\r\nFoo: foo\r\n\r\n",
"Foo: foo\r\nNo colon second line\r\n\r\n"
];
const r = reader(input.join(""));
let err;
try {
await r.readMIMEHeader();
} catch (e) {
err = e;
}
assert(err instanceof ProtocolError);
}
});
test({
name: "[textproto] Reader : MIME Header Trim Continued",
async fn(): Promise<void> {
const input =
"" + // for code formatting purpose.
"a:\n" +
" 0 \r\n" +
"b:1 \t\r\n" +
"c: 2\r\n" +
" 3\t\n" +
" \t 4 \r\n\n";
const r = reader(input);
let err;
try {
await r.readMIMEHeader();
} catch (e) {
err = e;
}
assert(err instanceof ProtocolError);
}
});

View file

@ -3,84 +3,10 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
import { BufReader } from "../io/bufio.ts";
import { TextProtoReader, append } from "./mod.ts";
import { stringsReader } from "../io/util.ts";
import { assert, assertEquals } from "../testing/asserts.ts";
import { append } from "./mod.ts";
import { assertEquals } from "../testing/asserts.ts";
import { test } from "../testing/mod.ts";
function reader(s: string): TextProtoReader {
return new TextProtoReader(new BufReader(stringsReader(s)));
}
test(async function textprotoReader(): Promise<void> {
let r = reader("line1\nline2\n");
let [s, err] = await r.readLine();
assertEquals(s, "line1");
assert(err == null);
[s, err] = await r.readLine();
assertEquals(s, "line2");
assert(err == null);
[s, err] = await r.readLine();
assertEquals(s, "");
assert(err == "EOF");
});
/*
test(async function textprotoReadMIMEHeader() {
let r = reader("my-key: Value 1 \r\nLong-key: Even \n Longer Value\r\nmy-Key: Value 2\r\n\n");
let [m, err] = await r.readMIMEHeader();
console.log("Got headers", m.toString());
want := MIMEHeader{
"My-Key": {"Value 1", "Value 2"},
"Long-Key": {"Even Longer Value"},
}
if !reflect.DeepEqual(m, want) || err != nil {
t.Fatalf("ReadMIMEHeader: %v, %v; want %v", m, err, want)
}
});
*/
test(async function textprotoReadMIMEHeaderSingle(): Promise<void> {
let r = reader("Foo: bar\n\n");
let [m, err] = await r.readMIMEHeader();
assertEquals(m.get("Foo"), "bar");
assert(!err);
});
// Test that we read slightly-bogus MIME headers seen in the wild,
// with spaces before colons, and spaces in keys.
test(async function textprotoReadMIMEHeaderNonCompliant(): Promise<void> {
// Invalid HTTP response header as sent by an Axis security
// camera: (this is handled by IE, Firefox, Chrome, curl, etc.)
let r = reader(
"Foo: bar\r\n" +
"Content-Language: en\r\n" +
"SID : 0\r\n" +
// TODO Re-enable Currently fails with:
// "TypeError: audio mode is not a legal HTTP header name"
// "Audio Mode : None\r\n" +
"Privilege : 127\r\n\r\n"
);
let [m, err] = await r.readMIMEHeader();
console.log(m.toString());
assert(!err);
/*
let want = MIMEHeader{
"Foo": {"bar"},
"Content-Language": {"en"},
"Sid": {"0"},
"Audio Mode": {"None"},
"Privilege": {"127"},
}
if !reflect.DeepEqual(m, want) || err != nil {
t.Fatalf("ReadMIMEHeader =\n%v, %v; want:\n%v", m, err, want)
}
*/
});
import "./reader_test.ts";
test(async function textprotoAppend(): Promise<void> {
const enc = new TextEncoder();
@ -90,10 +16,3 @@ test(async function textprotoAppend(): Promise<void> {
const joined = append(u1, u2);
assertEquals(dec.decode(joined), "Hello World");
});
test(async function textprotoReadEmpty(): Promise<void> {
let r = reader("");
let [, err] = await r.readMIMEHeader();
// Should not crash!
assertEquals(err, "EOF");
});