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package main | ||
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import ( | ||
"bytes" | ||
"encoding/json" | ||
"fmt" | ||
"io/ioutil" | ||
"log" | ||
"net/http" | ||
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"github.com/ghodss/yaml" | ||
"github.com/gorilla/mux" | ||
publiccode "github.com/italia/publiccode-parser-go" | ||
yamlv2 "gopkg.in/yaml.v2" | ||
) | ||
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//Enc encoder struct which includes essential datatypes | ||
type Enc struct { | ||
PublicCode publiccode.PublicCode | ||
} | ||
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//Message json type mapping, for test purpose | ||
type Message struct { | ||
Status string `json:"status"` | ||
Message string `json:"message"` | ||
Publiccode publiccode.PublicCode `json:"pc"` | ||
} | ||
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func main() { | ||
port := "5000" | ||
//init router | ||
router := mux.NewRouter() | ||
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router.HandleFunc("/pc/validate", pcPayLoad).Methods("POST", "OPTIONS") | ||
router.HandleFunc("/pc/y2j", y2j).Methods("POST") | ||
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log.Printf("server is starting at port %s", port) | ||
log.Fatal(http.ListenAndServe(":"+port, router)) | ||
} | ||
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func setupResponse(w *http.ResponseWriter, req *http.Request) { | ||
//cors mode | ||
(*w).Header().Set("Access-Control-Allow-Origin", "*") | ||
(*w).Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE") | ||
(*w).Header().Set("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization") | ||
} | ||
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func parse(b []byte) ([]byte, error, error) { | ||
p := publiccode.NewParser() | ||
p.DisableNetwork = true | ||
errParse := p.Parse(b) | ||
pc, err := p.ToYAML() | ||
return pc, errParse, err | ||
} | ||
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func pcPayLoad(w http.ResponseWriter, r *http.Request) { | ||
log.Print("called pcPayload()") | ||
setupResponse(&w, r) | ||
if (*r).Method == "OPTIONS" { | ||
return | ||
} | ||
w.Header().Set("Content-type", "application/json") | ||
// w.Header().Set("Content-type", "text/yaml") | ||
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body, err := ioutil.ReadAll(r.Body) | ||
log.Print(string(body)) | ||
if err != nil { | ||
log.Printf("Error reading body: %v", err) | ||
mess := Message{Status: string(http.StatusBadRequest), Message: "can't read body"} | ||
w.WriteHeader(http.StatusBadRequest) | ||
json.NewEncoder(w).Encode(mess) | ||
} | ||
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m, err := yaml.JSONToYAML(body) | ||
if err != nil { | ||
fmt.Printf("Conversion to json ko:\n%v\n", err) | ||
mess := Message{Status: string(http.StatusBadRequest), Message: "Conversion to json ko"} | ||
w.WriteHeader(http.StatusBadRequest) | ||
json.NewEncoder(w).Encode(mess) | ||
} | ||
// y := d.json2yaml() | ||
// b := y.yaml2bytes() | ||
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// log.Print(y) | ||
var pc []byte | ||
var errParse, errConverting error | ||
pc, errParse, errConverting = parse(m) | ||
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if errConverting != nil { | ||
log.Printf("Error converting: %v", errConverting) | ||
} | ||
if errParse != nil { | ||
log.Printf("Error parsing: %v", errParse) | ||
w.WriteHeader(http.StatusUnprocessableEntity) | ||
json.NewEncoder(w).Encode(errParse) | ||
} else { | ||
w.Write(yaml2json(pc)) | ||
} | ||
} | ||
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func yaml2json(y []byte) []byte { | ||
r, err := yaml.YAMLToJSON(y) | ||
if err != nil { | ||
fmt.Printf("Conversion to json ko:\n%v\n", err) | ||
} | ||
return r | ||
} | ||
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func (d *Enc) yaml2json() []byte { | ||
log.Print(d.PublicCode) | ||
m, err := yaml.Marshal(d.PublicCode) | ||
r, err := yaml.YAMLToJSON(m) | ||
if err != nil { | ||
fmt.Printf("Conversion to json ko:\n%v\n", err) | ||
// return | ||
} | ||
return r | ||
} | ||
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func (d *Enc) json2yaml() []byte { | ||
log.Print(d.PublicCode) | ||
m, err := yaml.Marshal(d.PublicCode) | ||
// log.Print(string(m)) | ||
if err != nil { | ||
fmt.Printf("Marshall to yaml ko:\n%v\n", err) | ||
// return | ||
} | ||
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r, err := yaml.JSONToYAML(m) | ||
// log.Print(string(r)) | ||
if err != nil { | ||
fmt.Printf("Conversion to yaml ko:\n%v\n", err) | ||
// return | ||
} | ||
return r | ||
} | ||
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func (d *Enc) yaml2bytes() []byte { | ||
reqBodyBytes := new(bytes.Buffer) | ||
json.NewEncoder(reqBodyBytes).Encode(d) | ||
return reqBodyBytes.Bytes() | ||
} | ||
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func y2j(w http.ResponseWriter, r *http.Request) { | ||
w.Header().Set("Content-type", "application/json") | ||
var d Enc | ||
yamlv2.NewDecoder(r.Body).Decode(&d.PublicCode) | ||
y := d.yaml2json() | ||
w.Write(y) | ||
// json.NewEncoder(w).Encode(string(y)) | ||
} |