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97 lines
3.1 KiB
Go
97 lines
3.1 KiB
Go
package gopher
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import "gophi/core"
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// Gopher specific error codes
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const (
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InvalidGophermapErr core.ErrorCode = 1
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SubgophermapIsDirErr core.ErrorCode = 2
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SubgophermapSizeErr core.ErrorCode = 3
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)
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// generateErrorMessage returns a message for any gopher specific error codes
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func generateErrorMessage(code core.ErrorCode) string {
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switch code {
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case InvalidGophermapErr:
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return invalidGophermapErrStr
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case SubgophermapIsDirErr:
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return subgophermapIsDirErrStr
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case SubgophermapSizeErr:
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return subgophermapSizeErrStr
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default:
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return unknownErrStr
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}
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}
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// generateErrorResponse takes an error code and generates an error response byte slice
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func generateErrorResponse(code core.ErrorCode) ([]byte, bool) {
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switch code {
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case core.ConnWriteErr:
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return nil, false // no point responding if we couldn't write
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case core.ConnReadErr:
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return buildErrorLine(errorResponse503), true
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case core.ConnCloseErr:
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return nil, false // no point responding if we couldn't close
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case core.ListenerResolveErr:
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return nil, false // not user facing
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case core.ListenerBeginErr:
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return nil, false // not user facing
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case core.ListenerAcceptErr:
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return nil, false // not user facing
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case core.InvalidIPErr:
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return nil, false // not user facing
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case core.InvalidPortErr:
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return nil, false // not user facing
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case core.MutexUpgradeErr:
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return buildErrorLine(errorResponse500), true
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case core.MutexDowngradeErr:
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return buildErrorLine(errorResponse500), true
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case core.FileOpenErr:
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return buildErrorLine(errorResponse404), true
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case core.FileStatErr:
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return buildErrorLine(errorResponse500), true
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case core.FileReadErr:
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return buildErrorLine(errorResponse500), true
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case core.FileTypeErr:
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return buildErrorLine(errorResponse404), true
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case core.DirectoryReadErr:
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return buildErrorLine(errorResponse500), true
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case core.RestrictedPathErr:
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return buildErrorLine(errorResponse403), true
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case core.InvalidRequestErr:
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return buildErrorLine(errorResponse400), true
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case core.CGIStartErr:
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return buildErrorLine(errorResponse500), true
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case core.CGIExitCodeErr:
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return buildErrorLine(errorResponse500), true
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case core.CGIStatus400Err:
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return buildErrorLine(errorResponse400), true
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case core.CGIStatus401Err:
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return buildErrorLine(errorResponse401), true
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case core.CGIStatus403Err:
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return buildErrorLine(errorResponse403), true
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case core.CGIStatus404Err:
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return buildErrorLine(errorResponse404), true
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case core.CGIStatus408Err:
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return buildErrorLine(errorResponse408), true
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case core.CGIStatus410Err:
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return buildErrorLine(errorResponse410), true
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case core.CGIStatus500Err:
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return buildErrorLine(errorResponse500), true
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case core.CGIStatus501Err:
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return buildErrorLine(errorResponse501), true
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case core.CGIStatus503Err:
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return buildErrorLine(errorResponse503), true
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case core.CGIStatusUnknownErr:
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return buildErrorLine(errorResponse500), true
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case InvalidGophermapErr:
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return buildErrorLine(errorResponse500), true
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case SubgophermapIsDirErr:
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return buildErrorLine(errorResponse500), true
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case SubgophermapSizeErr:
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return buildErrorLine(errorResponse500), true
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default:
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return nil, false
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}
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}
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