1.6

1.6

• Added

  • Register default function as coalesce alias (#356)
  • New HCL function relative_url() (#361)
  • Log file descriptor limit at startup (#383)
  • error_handler block support for api and endpoint blocks (#317)
    • Enables reacting to additional error types: beta_scope, beta_insufficient_scope and beta_operation_denied
  • split() and substr() functions (#390)
  • hcl syntax verification for our configuration file (#296), (#168), (#188)
    • validate against the schema and additional requirements
    • available as verify command too

• Changed

  • server block label is now optional, api block may be labelled (#358)
  • Timings in logs are now numeric values (#367)

• Fixed

  • Handling of accept_forwarded_url "host" if H-Forwarded-Host request header field contains a port (#360)
  • Setting Vary response header fields for CORS (#362)
  • Use of referenced backends in OAuth2 CC Blocks (#321)
  • CORS preflight requests are not blocked by access controls anymore (#366)
  • Reduced memory usage for backend response bodies which just get piped to the client and are not required to be read by Couper due to a variable references (#375)
    • However, if a huge message body is passed and additionally referenced via e.g. json_body, Couper may require a lot of memory for storing the data structure.
  • For each SAML attribute listed in array_attributes at least an empty array is created in request.context.<label>.attributes.<name> (#369)
  • HCL: Missing support for RelativeTraversalExpr, IndexExpr, UnaryOpExpr (#389)
  • HCL: Missing support for different variable index key types (#391)
  • OIDC: rejecting an ID token lacking an aud claim or with a null value aud (#393)