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move json detection to separate function

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This commit is contained in:
Emil Lerch 2022-05-29 11:13:05 -07:00
parent 357c583e9b
commit 08c2ed0c07
Signed by: lobo
GPG Key ID: A7B62D657EF764F8
1 changed files with 29 additions and 23 deletions
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52
src/aws.zig
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@ -237,29 +237,8 @@ pub fn Request(comptime action: anytype) type {
try reportTraffic(options.client.allocator, "Call Failed", aws_request, response, log.err);
return error.HttpFailure;
}
// EC2 ignores our accept type, but technically query protocol only
// returns XML as well. So, we'll ignore the protocol here and just
// look at the return type
var isJson: bool = undefined;
for (response.headers) |h| {
if (std.ascii.eqlIgnoreCase("Content-Type", h.name)) {
if (std.mem.startsWith(u8, h.value, "application/json")) {
isJson = true;
} else if (std.mem.startsWith(u8, h.value, "application/x-amz-json-1.0")) {
isJson = true;
} else if (std.mem.startsWith(u8, h.value, "application/x-amz-json-1.1")) {
isJson = true;
} else if (std.mem.startsWith(u8, h.value, "text/xml")) {
isJson = false;
} else if (std.mem.startsWith(u8, h.value, "application/xml")) {
isJson = false;
} else {
log.err("Unexpected content type: {s}", .{h.value});
return error.UnexpectedContentType;
}
break;
}
}
const isJson = try isJsonResponse(response.headers);
if (!isJson) return try xmlReturn(options, response);
@ -478,6 +457,33 @@ pub fn Request(comptime action: anytype) type {
};
}
fn isJsonResponse(headers: []awshttp.Header) !bool {
// EC2 ignores our accept type, but technically query protocol only
// returns XML as well. So, we'll ignore the protocol here and just
// look at the return type
var isJson: ?bool = null;
for (headers) |h| {
if (std.ascii.eqlIgnoreCase("Content-Type", h.name)) {
if (std.mem.startsWith(u8, h.value, "application/json")) {
isJson = true;
} else if (std.mem.startsWith(u8, h.value, "application/x-amz-json-1.0")) {
isJson = true;
} else if (std.mem.startsWith(u8, h.value, "application/x-amz-json-1.1")) {
isJson = true;
} else if (std.mem.startsWith(u8, h.value, "text/xml")) {
isJson = false;
} else if (std.mem.startsWith(u8, h.value, "application/xml")) {
isJson = false;
} else {
log.err("Unexpected content type: {s}", .{h.value});
return error.UnexpectedContentType;
}
break;
}
}
if (isJson == null) return error.ContentTypeNotFound;
return isJson.?;
}
/// Get request ID from headers. Caller responsible for freeing memory
fn requestIdFromHeaders(request: awshttp.HttpRequest, response: awshttp.HttpResult, options: Options) ![]u8 {
var request_id: []u8 = undefined;