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Code Issues Packages 1 Wiki Activity

fix: invalid blob type (#4536)

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crowlKats 2020-03-31 20:42:18 +02:00 committed by GitHub
parent d4d0b5d90c
commit 7b675a332c
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 13 deletions
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8
cli/js/tests/blob_test.ts
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@ -32,6 +32,14 @@ unitTest(function blobSlice(): void {
assertEquals(b4.size, blob.size);
});
unitTest(function blobInvalidType(): void {
const blob = new Blob(["foo"], {
type: "\u0521",
});
assertEquals(blob.type, "");
});
unitTest(function blobShouldNotThrowError(): void {
let hasThrown = false;

25
cli/js/web/blob.ts
View file

@ -139,24 +139,23 @@ export class DenoBlob implements domTypes.Blob {
}
const { ending = "transparent", type = "" } = options ?? {};
if (!containsOnlyASCII(type)) {
const errMsg = "The 'type' property must consist of ASCII characters.";
throw new SyntaxError(errMsg);
}
const bytes = processBlobParts(blobParts!, { ending, type });
// Normalize options.type.
let normalizedType = type;
if (type.length) {
for (let i = 0; i < type.length; ++i) {
const char = type[i];
if (char < "\u0020" || char > "\u007E") {
normalizedType = "";
break;
if (!containsOnlyASCII(type)) {
normalizedType = "";
} else {
if (type.length) {
for (let i = 0; i < type.length; ++i) {
const char = type[i];
if (char < "\u0020" || char > "\u007E") {
normalizedType = "";
break;
}
}
normalizedType = type.toLowerCase();
}
normalizedType = type.toLowerCase();
}
const bytes = processBlobParts(blobParts!, { ending, type });
// Set Blob object's properties.
this[bytesSymbol] = bytes;
this.size = bytes.byteLength;