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22 changes: 16 additions & 6 deletions crates/jsonschema-referencing/src/specification/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -52,12 +52,19 @@ impl Draft {
.and_then(|contents| contents.get("$schema"))
.and_then(|schema| schema.as_str())
{
Ok(match schema.trim_end_matches('#') {
"https://json-schema.org/draft/2020-12/schema" => Draft::Draft202012,
"https://json-schema.org/draft/2019-09/schema" => Draft::Draft201909,
"http://json-schema.org/draft-07/schema" => Draft::Draft7,
"http://json-schema.org/draft-06/schema" => Draft::Draft6,
"http://json-schema.org/draft-04/schema" => Draft::Draft4,
let normalized = schema.trim_end_matches('#');
Ok(match normalized {
// Accept both HTTPS and HTTP for all known drafts
"https://json-schema.org/draft/2020-12/schema"
| "http://json-schema.org/draft/2020-12/schema" => Draft::Draft202012,
"https://json-schema.org/draft/2019-09/schema"
| "http://json-schema.org/draft/2019-09/schema" => Draft::Draft201909,
"https://json-schema.org/draft-07/schema"
| "http://json-schema.org/draft-07/schema" => Draft::Draft7,
"https://json-schema.org/draft-06/schema"
| "http://json-schema.org/draft-06/schema" => Draft::Draft6,
"https://json-schema.org/draft-04/schema"
| "http://json-schema.org/draft-04/schema" => Draft::Draft4,
value => return Err(Error::unknown_specification(value)),
})
} else {
Expand Down Expand Up @@ -199,8 +206,11 @@ mod tests {
#[test_case(&json!({"$schema": "https://json-schema.org/draft/2020-12/schema#"}), Draft::Draft202012; "detect Draft 2020-12 with fragment")]
#[test_case(&json!({"$schema": "https://json-schema.org/draft/2019-09/schema"}), Draft::Draft201909; "detect Draft 2019-09")]
#[test_case(&json!({"$schema": "http://json-schema.org/draft-07/schema"}), Draft::Draft7; "detect Draft 7")]
#[test_case(&json!({"$schema": "https://json-schema.org/draft-07/schema"}), Draft::Draft7; "detect Draft 7 https")]
#[test_case(&json!({"$schema": "http://json-schema.org/draft-06/schema"}), Draft::Draft6; "detect Draft 6")]
#[test_case(&json!({"$schema": "https://json-schema.org/draft-06/schema"}), Draft::Draft6; "detect Draft 6 https")]
#[test_case(&json!({"$schema": "http://json-schema.org/draft-04/schema"}), Draft::Draft4; "detect Draft 4")]
#[test_case(&json!({"$schema": "https://json-schema.org/draft-04/schema"}), Draft::Draft4; "detect Draft 4 https")]
#[test_case(&json!({}), Draft::Draft7; "default to Draft 7 when no $schema")]
fn test_detect(contents: &serde_json::Value, expected: Draft) {
let result = Draft::Draft7
Expand Down
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