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ZMS-177 #32

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merged 2 commits into from
Oct 14, 2024
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ZMS-177 #32

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1a9dc0b
add subject line limit to gelf in case of errors on gelf side
NickOvt Oct 10, 2024
ff22cc9
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NickOvt Oct 10, 2024
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8 changes: 7 additions & 1 deletion index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,9 @@ module.exports.init = function (app, done) {
const gridfsdb = app.db.gridfs;

const component = ((app.config.gelf && app.config.gelf.component) || 'mta').toUpperCase();

const maxSubjectLineLogLengthBytes = app.config.gelf.subjectLength || 32766 - 1; // 32766 is max gelf default, do -1 for good measure

const hostname = app.config.hostname || os.hostname();
const gelf =
app.config.gelf && app.config.gelf.enabled
Expand Down Expand Up @@ -1077,7 +1080,10 @@ module.exports.init = function (app, done) {
message._spam_score = Number(entry.score) || '';
message._interface = entry.interface;
message._proto = entry.transtype;
message._subject = entry.subject;
message._subject =
Buffer.byteLength(entry.subject, 'utf8') > maxSubjectLineLogLengthBytes
? entry.subject.substring(0, maxSubjectLineLogLengthBytes / 4) // divide by 4 to account for max utf-8 char size
: entry.subject;

message._authenticated_sender = username;
}
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