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fix(filesystem): web appendFile with base64 data #928

Merged
merged 6 commits into from
Apr 27, 2022
Merged

fix(filesystem): web appendFile with base64 data #928

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1b4ee13
fix: allow base64 data append in web
IT-MikeS Apr 20, 2022
81abc3e
chore: fmt
IT-MikeS Apr 20, 2022
a73f10e
enforce encoding in web
IT-MikeS Apr 21, 2022
0b9888d
chore: check for base64 even if entry undefined
IT-MikeS Apr 26, 2022
ad9720e
Merge branch 'capacitor-4' into fix/filesystem-web-append-base64
IT-MikeS Apr 26, 2022
dc175ca
Merge branch 'capacitor-4' into fix/filesystem-web-append-base64
jcesarmobile Apr 26, 2022
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16 changes: 15 additions & 1 deletion filesystem/src/web.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -240,7 +240,15 @@ export class FilesystemWeb extends WebPlugin implements FilesystemPlugin {
}

if (occupiedEntry !== undefined) {
data = occupiedEntry.content + data;
if (occupiedEntry.content && this.isBase64String(occupiedEntry.content)) {
if (!this.isBase64String(data))
throw Error(
'Supplied data does not match the current file data encoding (base64)',
);
data = btoa(atob(occupiedEntry.content) + atob(data));
} else {
data = occupiedEntry.content + data;
}
ctime = occupiedEntry.ctime;
}
const pathObj: EntryObj = {
Expand Down Expand Up @@ -597,6 +605,12 @@ export class FilesystemWeb extends WebPlugin implements FilesystemPlugin {
}
}
}

private isBase64String(str: string): boolean {
const base64regex =
/^([0-9a-zA-Z+/]{4})*(([0-9a-zA-Z+/]{2}==)|([0-9a-zA-Z+/]{3}=))?$/;
return base64regex.test(str);
}
}

interface EntryObj {
Expand Down