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Provide means to transfer files #162

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This commit is contained in:
Marco Descher 2017-08-25 15:01:57 +02:00
parent 147c95dd8b
commit 34c4b1c166
2 changed files with 80 additions and 4 deletions
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57
hook/hook.go
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@ -4,11 +4,13 @@ import (
"crypto/hmac"
"crypto/sha1"
"crypto/sha256"
"encoding/base64"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"log"
"net"
"net/textproto"
"reflect"
@ -263,9 +265,11 @@ func ExtractParameterAsString(s string, params interface{}) (string, bool) {
// Argument type specifies the parameter key name and the source it should
// be extracted from
type Argument struct {
Source string `json:"source,omitempty"`
Name string `json:"name,omitempty"`
EnvName string `json:"envname,omitempty"`
Source string `json:"source,omitempty"`
Name string `json:"name,omitempty"`
EnvName string `json:"envname,omitempty"`
FileName string `json:"filename,omitempty"`
Base64Decode bool `json:"base64decode,omitempty"`
}
// Get Argument method returns the value for the Argument's key name
@ -380,6 +384,7 @@ type Hook struct {
CaptureCommandOutput bool `json:"include-command-output-in-response,omitempty"`
PassEnvironmentToCommand []Argument `json:"pass-environment-to-command,omitempty"`
PassArgumentsToCommand []Argument `json:"pass-arguments-to-command,omitempty"`
PassFileToCommand []Argument `json:"pass-file-to-command,omitempty"`
JSONStringParameters []Argument `json:"parse-parameters-as-json,omitempty"`
TriggerRule *Rules `json:"trigger-rule,omitempty"`
TriggerRuleMismatchHttpResponseCode int `json:"trigger-rule-mismatch-http-response-code,omitempty"`
@ -489,6 +494,52 @@ func (h *Hook) ExtractCommandArgumentsForEnv(headers, query, payload *map[string
return args, nil
}
// FileParameter describes a pass-file-to-command instance to be stored as file
type FileParameter struct {
Filename string
Data []byte
}
// ExtractCommandArgumentsForFile creates a list of arguments in key=value
// format, based on the PassFileToCommand property that is ready to be used
// with exec.Command().
func (h *Hook) ExtractCommandArgumentsForFile(headers, query, payload *map[string]interface{}) ([]FileParameter, []error) {
var args = make([]FileParameter, 0)
var errors = make([]error, 0)
for i := range h.PassFileToCommand {
if arg, ok := h.PassFileToCommand[i].Get(headers, query, payload); ok {
if h.PassFileToCommand[i].FileName == "" {
// if no filename is set, fall-back on the name
log.Printf("no filename specified, falling back to [%s]", EnvNamespace+h.PassFileToCommand[i].Name)
h.PassFileToCommand[i].FileName = EnvNamespace + h.PassFileToCommand[i].Name
}
var fileContent []byte
if h.PassFileToCommand[i].Base64Decode {
dec, err := base64.StdEncoding.DecodeString(arg)
if err != nil {
log.Printf("error decoding string [%s]", err)
}
fileContent = []byte(dec)
} else {
fileContent = []byte(arg)
}
args = append(args, FileParameter{Filename: h.PassFileToCommand[i].FileName, Data: fileContent})
} else {
errors = append(errors, &ArgumentError{h.PassFileToCommand[i]})
}
}
if len(errors) > 0 {
return args, errors
}
return args, nil
}
// Hooks is an array of Hook objects
type Hooks []Hook