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redos prevention

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This commit is contained in:
Michael C
2021-06-25 15:57:41 -04:00
parent f2490beea2
commit b06a6fbb51
3 changed files with 128 additions and 22 deletions
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108
test/cases/getUserID.ts
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@@ -12,6 +12,11 @@ describe('getUserID', () => {
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_04"), 'repeating']);
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_05"), 'repeating']);
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_06"), getHash("getuserid_user_06")]);
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_07"), '0redos0']);
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_08"), '%redos%']);
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_09"), '_redos_']);
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_10"), 'redos\\%']);
await db.prepare("run", insertUserNameQuery, [getHash("getuserid_user_11"), '\\\\\\']);
});
it('Should be able to get a 200', (done: Done) => {
@@ -128,7 +133,7 @@ describe('getUserID', () => {
});
it('Should be able to get with public ID', (done: Done) => {
const userID = getHash("getuserid_user_06")
const userID = getHash("getuserid_user_06");
fetch(getbaseURL() + '/api/userID?username='+userID)
.then(async res => {
if (res.status !== 200) {
@@ -150,7 +155,7 @@ describe('getUserID', () => {
});
it('Should be able to get with fuzzy public ID', (done: Done) => {
const userID = getHash("getuserid_user_06")
const userID = getHash("getuserid_user_06");
fetch(getbaseURL() + '/api/userID?username='+userID.substr(10,60))
.then(async res => {
if (res.status !== 200) {
@@ -195,4 +200,103 @@ describe('getUserID', () => {
})
.catch(err => ("couldn't call endpoint"));
});
it('should avoid ReDOS with _', (done: Done) => {
fetch(getbaseURL() + '/api/userID?username=_redos_')
.then(async res => {
if (res.status !== 200) {
done("non 200");
} else {
const data = await res.json();
if (data.length !== 1) {
done('Returned incorrect number of users "' + data.length + '"');
} else if (data[0].userName !== "_redos_") {
done('Returned incorrect username "' + data.userName + '"');
} else if (data[0].userID !== getHash("getuserid_user_09")) {
done('Returned incorrect userID "' + data.userID + '"');
} else {
done(); // pass
}
}
})
.catch(err => ("couldn't call endpoint"));
});
it('should avoid ReDOS with %', (done: Done) => {
fetch(getbaseURL() + '/api/userID?username=%redos%')
.then(async res => {
if (res.status !== 200) {
done("non 200");
} else {
const data = await res.json();
if (data.length !== 1) {
done('Returned incorrect number of users "' + data.length + '"');
} else if (data[0].userName !== "%redos%") {
done('Returned incorrect username "' + data.userName + '"');
} else if (data[0].userID !== getHash("getuserid_user_08")) {
done('Returned incorrect userID "' + data.userID + '"');
} else {
done(); // pass
}
}
})
.catch(err => ("couldn't call endpoint"));
});
it('should return 404 if escaped backslashes present', (done: Done) => {
fetch(getbaseURL() + '/api/userID?username=%redos\\\\_')
.then(res => {
if (res.status !== 404) done('non 404 (' + res.status + ')');
else done(); // pass
})
.catch(err => ("couldn't call endpoint"));
});
it('should return 404 if backslashes present', (done: Done) => {
fetch(getbaseURL() + '/api/userID?username=\\%redos\\_')
.then(res => {
if (res.status !== 404) done('non 404 (' + res.status + ')');
else done(); // pass
})
.catch(err => ("couldn't call endpoint"));
});
it('should return user if just backslashes', (done: Done) => {
fetch(getbaseURL() + '/api/userID?username=\\\\\\')
.then(async res => {
if (res.status !== 200) {
done("non 200");
} else {
const data = await res.json();
if (data.length !== 1) {
done('Returned incorrect number of users "' + data.length + '"');
} else if (data[0].userName !== "\\\\\\") {
done('Returned incorrect username "' + data.userName + '"');
} else if (data[0].userID !== getHash("getuserid_user_11")) {
done('Returned incorrect userID "' + data.userID + '"');
} else {
done(); // pass
}
}
})
.catch(err => ("couldn't call endpoint"));
});
it('should not allow usernames more than 64 characters', (done: Done) => {
fetch(getbaseURL() + '/api/userID?username='+'0'.repeat(65))
.then(res => {
if (res.status !== 400) done('non 400 (' + res.status + ')');
else done(); // pass
})
.catch(err => ("couldn't call endpoint"));
});
it('should not allow usernames less than 3 characters', (done: Done) => {
fetch(getbaseURL() + '/api/userID?username=aa')
.then(res => {
if (res.status !== 400) done('non 400 (' + res.status + ')');
else done(); // pass
})
.catch(err => ("couldn't call endpoint"));
});
});