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// Test escaping of user provided data in logs
(function() {
'use strict';
const mongo = MongoRunner.runMongod({useLogFiles: true});
const admin = mongo.getDB('admin');
// Use our own log parser instead of `checkLog`
// because we want to force reading from a file.
// {getLog: 'global'} could mask output encoding issues.
function assertContainsLog(msg) {
assert.soon(function() {
// Search by splitting the log file on newlines,
// filtering out blanks, parsing the remains as JSON,
// then filtering to id===5060500 and msg==expect.
// We should get precisely one match.
// Too few and we didn't log,
// too many and we didn't make the message unique enough.
const count = cat(mongo.fullOptions.logFile)
.split("\n")
.filter((l) => l != '')
.map((l) => JSON.parse(l))
.filter((l) => (l.id === 5060500) && (l.attr.msg === msg))
.length;
// Wrap msg in tojson for assert message so that we can see what character wasn't found.
assert.lt(count, 2, "Repeated entry for message: " + tojson(msg));
return count === 1;
}, "Expected message not found: " + tojson(msg), 10 * 1000);
}
// Test a range of characters sent to the global log
for (let i = 0; i < 256; ++i) {
const msg = "Hello" + String.fromCharCode(i) + "World";
assert.commandWorked(admin.runCommand({logMessage: msg}));
assertContainsLog(msg);
}
MongoRunner.stopMongod(mongo);
})();
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