"cURL -u" API Key Authorization with Apache HTTPClient

Question

I can use the REST API using cURL like in this answer. Now I want to "translate" it to Java code using the Apache Commons HTTPComponents library. I'm only having trouble adding the API key authorization header:

HttpPost request = new HttpPost(DE_COMPILATION_URL);
byte[] encodedAuth = Base64.encodeBase64(API_KEY.getBytes(StandardCharsets.UTF_8));
String authHeader = "Basic " + new String(encodedAuth);
request.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
request.setHeader("mode", "raw");
request.setHeader("input", "@" + machineCodeFile.toString() + ";filename=" + machineCodeFile.getName());
request.setHeader("architecture", "powerpc");
request.setHeader("endian", "big");
request.setHeader("raw_entry_point", "0x0");
request.setHeader("raw_section_vma", "0x0");
request.setHeader("target_language", "c");

HttpClient client = HttpClientBuilder.create().build();
HttpResponse response = client.execute(request);
String responseBody = EntityUtils.toString(response.getEntity());
System.out.println(responseBody);

This prints:

{
    "code": 401,
    "description": "API key authorization failed (missing or invalid API key).",
    "message": "Unauthorized by API Key"
}

I tried different pieces of authorization code but none worked. What could be the problem? The API key is correct and works with cURL.

BullyWiiPlaza · Accepted Answer · 2017-10-06 22:11:16Z

1

Nevermind, I forgot a colon at the end. It's mandatory to include in the base64 encoding:

HttpPost request = new HttpPost(DE_COMPILATION_URL);
byte[] encodedAuth = Base64.encodeBase64((API_KEY + ":").getBytes(StandardCharsets.UTF_8));
String authHeader = "Basic " + new String(encodedAuth);

answered Oct 6, 2017 at 22:11

BullyWiiPlaza

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