Software / code / prosody-modules
Changeset
6206:ac7e2992fe6e
mod_rest: Strip down error payloads to avoid stack overflow
When the util.error feature of including a traceback in the error,
util.json can't serialize it as it is often self-referential.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sun, 16 Mar 2025 17:04:51 +0100 |
| parents | 6205:8ff8121ff603 |
| children | 6207:a1a33f0f6f6e |
| files | mod_rest/mod_rest.lua |
| diffstat | 1 files changed, 12 insertions(+), 1 deletions(-) [+] |
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--- a/mod_rest/mod_rest.lua Thu Mar 13 13:00:26 2025 +0000 +++ b/mod_rest/mod_rest.lua Sun Mar 16 17:04:51 2025 +0100 @@ -662,6 +662,17 @@ "application/json", }; +-- strip some stuff, notably the optional traceback table that casues stack overflow in util.json +local function simplify_error(e) + return { + type = e.type; + condition = e.condition; + text = e.text; + extra = e.extra; + source = e.source; + }; +end + local http_server = require "net.http.server"; module:hook_object_event(http_server, "http-error", function (event) local request, response = event.request, event.response; @@ -684,7 +695,7 @@ end return json.encode({ type = "error", - error = event.error, + error = simplify_error(event.error), code = event.code, }); end
