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feat(base64): Base64 enhancements (#905)

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* fix(base64): use js-base64 to handle non ascii text

Use js-base64 to handle non ascii text and ignore whitespaces
Fix #879 and #409

* fix(base64): use js-base64 to handle non ascii text

Use js-base64 to handle non ascii text and ignore whitespaces
Fix #879 and #409

* feat(base64 file converter): add a filename and extension fields

Add filename and extension (auto filled if data url) to allow downloading with right extension and filename
Fix #788

* feat(base64 file converter): add a preview image

Fix #594. Taken from #595 (thanks @SAF2k)
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sharevb 2024-05-20 22:13:55 +02:00 • committed by GitHub
parent e876d03608
commit 30144aa3f5
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6 changed files with 164 additions and 38 deletions
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11
src/utils/base64.ts
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@ -1,7 +1,9 @@
import { Base64 } from 'js-base64';
export { textToBase64, base64ToText, isValidBase64, removePotentialDataAndMimePrefix };
function textToBase64(str: string, { makeUrlSafe = false }: { makeUrlSafe?: boolean } = {}) {
const encoded = window.btoa(str);
const encoded = Base64.encode(str);
return makeUrlSafe ? makeUriSafe(encoded) : encoded;
}
@ -16,7 +18,7 @@ function base64ToText(str: string, { makeUrlSafe = false }: { makeUrlSafe?: bool
}
try {
return window.atob(cleanStr);
return Base64.decode(cleanStr);
}
catch (_) {
throw new Error('Incorrect base64 string');
@ -34,10 +36,11 @@ function isValidBase64(str: string, { makeUrlSafe = false }: { makeUrlSafe?: boo
}
try {
const reEncodedBase64 = Base64.fromUint8Array(Base64.toUint8Array(cleanStr));
if (makeUrlSafe) {
return removePotentialPadding(window.btoa(window.atob(cleanStr))) === cleanStr;
return removePotentialPadding(reEncodedBase64) === cleanStr;
}
return window.btoa(window.atob(cleanStr)) === cleanStr;
return reEncodedBase64 === cleanStr.replace(/\s/g, '');
}
catch (err) {
return false;