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[archive] add Tar and Untar classes #388

Merged
merged 17 commits into from
May 14, 2019
Merged

[archive] add Tar and Untar classes #388

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2657c7f
Add a simple tar archiver implementation
arcatdmz May 10, 2019
c37488d
Add Untar class and a corresponding test
arcatdmz May 10, 2019
e24c345
Update copyright
arcatdmz May 10, 2019
71bac9e
Minor test fix
arcatdmz May 10, 2019
03b0336
Apply prettier
arcatdmz May 10, 2019
08bfdfc
Fix ESLint errors
arcatdmz May 10, 2019
0ec99bd
Remove all ESLint warnings
arcatdmz May 10, 2019
94e109b
Rename Untar.deflate to Untar.extract; add some comments
arcatdmz May 11, 2019
0ba1722
Throw error when file name longer than 100 bytes
arcatdmz May 11, 2019
5d4ceec
Throw more errors
arcatdmz May 11, 2019
2bcfe93
Fix typo
arcatdmz May 11, 2019
50f44c9
Add format check in Untar
arcatdmz May 11, 2019
053b788
Support file name prefix field for a bit longer name
arcatdmz May 11, 2019
1f0eef9
Fix file name length count logic
arcatdmz May 11, 2019
842354b
Apply prettier
arcatdmz May 11, 2019
801f4c7
Merge branch 'master' into feat-archive-tar
ry May 14, 2019
52ddee4
Add archive/tar_test.ts to test.ts
ry May 14, 2019
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@arcatdmz
arcatdmz committed May 11, 2019
commit 842354b992402e3780e07fb31829f9a46d1ef7e5
6 changes: 3 additions & 3 deletions archive/tar.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -305,7 +305,7 @@ export class Tar {
fileName = fileName.substr(i + 1);
break;
}
i --;
i--;
}
if (i < 0 || fileName.length > 100 || fileNamePrefix.length > 155) {
throw new Error(
Expand Down Expand Up @@ -434,7 +434,7 @@ export class Untar {
throw new Error("checksum error");
}

const magic = decoder.decode(header.ustar)
const magic = decoder.decode(header.ustar);
if (magic !== ustar) {
throw new Error(`unsupported archive format: ${magic}`);
}
Expand All @@ -444,7 +444,7 @@ export class Untar {
fileName: decoder.decode(trim(header.fileName))
};
const fileNamePrefix = trim(header.fileNamePrefix);
if(fileNamePrefix.byteLength > 0) {
if (fileNamePrefix.byteLength > 0) {
meta.fileName = decoder.decode(fileNamePrefix) + "/" + meta.fileName;
}
["fileMode", "mtime", "uid", "gid"].forEach(
Expand Down