diff options
Diffstat (limited to 'modules/caddyhttp/matchers.go')
| -rw-r--r-- | modules/caddyhttp/matchers.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/modules/caddyhttp/matchers.go b/modules/caddyhttp/matchers.go index e39ba3f..93c7e69 100644 --- a/modules/caddyhttp/matchers.go +++ b/modules/caddyhttp/matchers.go @@ -123,6 +123,7 @@ type ( // keyed by the query keys, with an array of string values to match for that key. // Query key matches are exact, but wildcards may be used for value matches. Both // keys and values may be placeholders. + // // An example of the structure to match `?key=value&topic=api&query=something` is: // // ```json @@ -135,6 +136,13 @@ type ( // // Invalid query strings, including those with bad escapings or illegal characters // like semicolons, will fail to parse and thus fail to match. + // + // **NOTE:** Notice that query string values are arrays, not singular values. This is + // because repeated keys are valid in query strings, and each one may have a + // different value. This matcher will match for a key if any one of its configured + // values is assigned in the query string. Backend applications relyon on query + // strings MUST take into consideration that query string values are arrays and can + // have multiple values. MatchQuery url.Values // MatchHeader matches requests by header fields. The key is the field @@ -144,6 +152,13 @@ type ( // surrounding the value with the wildcard `*` character, respectively. // If a list is null, the header must not exist. If the list is empty, // the field must simply exist, regardless of its value. + // + // **NOTE:** Notice that header values are arrays, not singular values. This is + // because repeated fields are valid in headers, and each one may have a + // different value. This matcher will match for a field if any one of its configured + // values matches in the header. Backend applications relying on headers MUST take + // into consideration that header field values are arrays and can have multiple + // values. MatchHeader http.Header // MatchHeaderRE matches requests by a regular expression on header fields. |