Errors
An error is reported by an XML output with a short description of the error. Additionally, an HTTP status code will be set (e.g. 403 on authentication error).
Examples
HMAC authentication error
<![CDATA[
<epubli_api_error xmlns="http://www.epubli.de/spec" version="1.0">
<date>2010-02-09T14:13:33+01:00</date>
<error>HMAC validation error 31</error>
<status>403</status>
<details>
<detail>HMAC invalid</detail>
<detail>Signature problem</detail>
<detail>Signature missing</detail>
<detail>Signature wrong. Serialized payload: </detail>
<detail>Timestamp problem</detail>
</details>
</epubli_api_error>
]]>
Authentication error
<![CDATA[<epubli_api_error>
<date>2012-05-21T11:16:26+02:00</date>
<error>authentication failed</error>
<status>403</status>
</epubli_api_error>
]]>
Missing SSL connection (https)
<![CDATA[<epubli_api_error>
<date>2012-05-22T14:56:52+02:00</date>
<error>no SSL connection</error>
<status>403</status>
</epubli_api_error>
]]>
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