created initialiser + request builder (which supports form-data, urlencoded, json)

errors.go

@@ -13,35 +13,35 @@ type Err struct {
 
 var (
 	/* Base */
-	ErrSuccess = &Err{0, "all right", nil}
-	ErrFailure = &Err{1, "it failed", nil}
-	ErrUnknown = &Err{-1, "", nil}
+	ErrSuccess = Err{0, "all right", nil}
+	ErrFailure = Err{1, "it failed", nil}
+	ErrUnknown = Err{-1, "", nil}
 
-	ErrNoMatchFound  = &Err{2, "no resource found", nil}
-	ErrAlreadyExists = &Err{3, "resource already exists", nil}
+	ErrNoMatchFound  = Err{2, "no resource found", nil}
+	ErrAlreadyExists = Err{3, "resource already exists", nil}
 
-	ErrConfig = &Err{4, "configuration error", nil}
+	ErrConfig = Err{4, "configuration error", nil}
 
 	/* I/O */
-	ErrUpload                 = &Err{100, "upload failed", nil}
-	ErrDownload               = &Err{101, "download failed", nil}
-	ErrMissingDownloadHeaders = &Err{102, "download headers are missing", nil}
-	ErrMissingDownloadBody    = &Err{103, "download body is missing", nil}
+	ErrUpload                 = Err{100, "upload failed", nil}
+	ErrDownload               = Err{101, "download failed", nil}
+	ErrMissingDownloadHeaders = Err{102, "download headers are missing", nil}
+	ErrMissingDownloadBody    = Err{103, "download body is missing", nil}
 
 	/* Controllers */
-	ErrUnknownController    = &Err{200, "unknown controller", nil}
-	ErrUnknownMethod        = &Err{201, "unknown method", nil}
-	ErrUncallableController = &Err{202, "uncallable controller", nil}
-	ErrUncallableMethod     = &Err{203, "uncallable method", nil}
+	ErrUnknownController    = Err{200, "unknown controller", nil}
+	ErrUnknownMethod        = Err{201, "unknown method", nil}
+	ErrUncallableController = Err{202, "uncallable controller", nil}
+	ErrUncallableMethod     = Err{203, "uncallable method", nil}
 
 	/* Permissions */
-	ErrPermission = &Err{300, "permission error", nil}
-	ErrToken      = &Err{301, "token error", nil}
+	ErrPermission = Err{300, "permission error", nil}
+	ErrToken      = Err{301, "token error", nil}
 
 	/* Check */
-	ErrMissingParam        = &Err{400, "missing parameter", nil}
-	ErrInvalidParam        = &Err{401, "invalid parameter", nil}
-	ErrInvalidDefaultParam = &Err{402, "invalid default param", nil}
+	ErrMissingParam        = Err{400, "missing parameter", nil}
+	ErrInvalidParam        = Err{401, "invalid parameter", nil}
+	ErrInvalidDefaultParam = Err{402, "invalid default param", nil}
 )
 
 // BindArgument adds an argument to the error

loader.go

@@ -0,0 +1,23 @@
+package gfw
+
+import "git.xdrm.io/gfw/internal/config"
+
+// Init initilises a new framework instance
+func Init(path string) (*Server, error) {
+
+	/* (1) Init instance */
+	inst := &Server{
+		config: nil,
+		Params: make(map[string]interface{}),
+		err:    ErrSuccess,
+	}
+
+	/* (2) Load configuration */
+	config, err := config.Load(path)
+	if err != nil {
+		return nil, err
+	}
+	inst.config = config
+
+	return inst, nil
+}

request_builder.go

@@ -0,0 +1,108 @@
+package gfw
+
+import (
+	"encoding/json"
+	"log"
+	"math"
+	"net/http"
+	"strings"
+)
+
+func buildRequest(req *http.Request) (*Request, error) {
+
+	/* (1) Init request */
+	uri := NormaliseUri(req.URL.Path)
+	inst := &Request{
+		Uri:      strings.Split(uri, "/"),
+		GetData:  FetchGetData(req),
+		FormData: FetchFormData(req),
+	}
+
+	return inst, nil
+}
+
+// NormaliseUri removes the trailing '/' to always
+// have the same Uri format for later processing
+func NormaliseUri(uri string) string {
+
+	if len(uri) < 1 {
+		return uri
+	}
+
+	if uri[0] == '/' {
+		uri = uri[1:]
+	}
+
+	if uri[len(uri)-1] == '/' {
+		uri = uri[0 : len(uri)-1]
+	}
+
+	return uri
+}
+
+// FetchGetData extracts the GET data
+// from an HTTP request
+func FetchGetData(req *http.Request) map[string]interface{} {
+
+	res := make(map[string]interface{})
+
+	for name, value := range req.URL.Query() {
+		res[name] = value
+	}
+
+	return res
+
+}
+
+// FetchFormData extracts FORM data
+//
+// - parse 'form-data' if not supported (not POST requests)
+// - parse 'x-www-form-urlencoded'
+// - parse 'application/json'
+func FetchFormData(req *http.Request) map[string]interface{} {
+
+	res := make(map[string]interface{})
+
+	ct := req.Header.Get("Content-Type")
+
+	if strings.HasPrefix(ct, "application/json") {
+
+		receiver := make(map[string]interface{}, 0)
+
+		// 1. Init JSON reader
+		decoder := json.NewDecoder(req.Body)
+		if err := decoder.Decode(&receiver); err != nil {
+			log.Printf("[parse.json] %s\n", err)
+			return res
+		}
+
+		// 2. Return result
+		return receiver
+
+	} else if strings.HasPrefix(ct, "application/x-www-form-urlencoded") {
+
+		// 1. Parse url encoded data
+		req.ParseForm()
+
+		// 2. Extract values
+		for name, value := range req.PostForm {
+			res[name] = value
+		}
+
+	} else { // form-data or anything
+
+		// 1. Parse form-data
+		if err := req.ParseMultipartForm(math.MaxInt32); err != nil {
+			log.Printf("[read.multipart] %s\n", err)
+			return res
+		}
+
+		// 2. Extract values
+		for name, value := range req.PostForm {
+			res[name] = value
+		}
+
+	}
+
+	return res
+}

router.go

@@ -0,0 +1,32 @@
+package gfw
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func route(res http.ResponseWriter, req *http.Request) {
+
+	/* (1) Build request
+	---------------------------------------------------------*/
+	/* (1) Try to build request */
+	request, err := buildRequest(req)
+	if err != nil {
+		log.Fatal(req)
+	}
+
+	fmt.Printf("Uri:    %v\n", request.Uri)
+	fmt.Printf("GET:    %v\n", request.GetData)
+	fmt.Printf("POST:   %v\n", request.FormData)
+
+	// 1. Query parameters
+	// fmt.Printf("query: %v\n", req.URL.Query())
+
+	// 2. URI path
+	// fmt.Printf("uri: %v\n", req.URL.Path)
+
+	// 3. Form values
+	// fmt.Printf("form: %v\n", req.FormValue("asa"))
+
+}

server.go

@@ -0,0 +1,17 @@
+package gfw
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// Launch listens and binds the server to the given port
+func (s *Server) Launch(port uint16) error {
+
+	/* (1) Bind router */
+	http.HandleFunc("/", route)
+
+	/* (2) Bind listener */
+	return http.ListenAndServe(fmt.Sprintf(":%d", port), nil)
+
+}

types.go

@@ -0,0 +1,17 @@
+package gfw
+
+import (
+	"git.xdrm.io/gfw/internal/config"
+)
+
+type Server struct {
+	config *config.Controller
+	Params map[string]interface{}
+	err    Err
+}
+
+type Request struct {
+	Uri      []string
+	FormData map[string]interface{}
+	GetData  map[string]interface{}
+}