big update

config/controller.go

@@ -1,10 +1,116 @@
 package config
 
 import (
+	"encoding/json"
 	"fmt"
+	"os"
 	"strings"
 )
 
+// Load builds a representation of the configuration
+// The struct definition checks for most format errors
+//
+// path<string>					The path to the configuration
+//
+// @return<controller>			The parsed configuration root controller
+// @return<err>					The error if occured
+//
+func Load(path string) (*Controller, error) {
+
+	/* (1) Extract data
+	---------------------------------------------------------*/
+	/* (1) Open file */
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	/* (2) Init receiver dataset */
+	receiver := &Controller{}
+
+	/* (3) Decode json */
+	decoder := json.NewDecoder(file)
+	err = decoder.Decode(receiver)
+	if err != nil {
+		return nil, err
+	}
+
+	/* (4) Format result */
+	err = receiver.format("/")
+	if err != nil {
+		return nil, err
+	}
+
+	/* (5) Set default optional fields */
+	receiver.setDefaults()
+
+	return receiver, nil
+
+}
+
+// Method returns a controller's method if exists
+//
+// @method<string>					The wanted method (case insensitive)
+//
+// @return<*Method>					The requested method
+//									NIL if not found
+//
+func (c Controller) Method(method string) *Method {
+	method = strings.ToUpper(method)
+
+	switch method {
+
+	case "GET":
+		return c.GET
+	case "POST":
+		return c.POST
+	case "PUT":
+		return c.PUT
+	case "DELETE":
+		return c.DELETE
+	default:
+		return nil
+
+	}
+
+}
+
+// Browses tries to browse the controller childtree and
+// returns the farthest matching child
+//
+// @path					the path to browse
+//
+// @return<int>				The index in 'path' used to find the controller
+// @return<*Controller>		The farthest match
+func (c *Controller) Browse(path []string) (int, *Controller) {
+
+	/* (1) initialise cursors */
+	current := c
+	i := 0 // index in path
+
+	/* (2) Browse while there is uri parts */
+	for i < len(path) {
+
+		// 1. Try to get child for this name
+		child, exists := current.Children[path[i]]
+
+		// 2. Stop if no matching child
+		if !exists {
+			break
+		}
+
+		// 3. Increment cursors
+		current = child
+		i++
+
+	}
+
+	/* (3) Return matches */
+	return i, current
+
+}
+
 // format checks for format errors and missing required fields
 // it also sets default values to optional fields
 func (c *Controller) format(controllerName string) error {
@@ -35,7 +141,7 @@ func (c *Controller) format(controllerName string) error {
 
 		/* (3) stop if no parameter */
 		if method.Ptr.Parameters == nil || len(method.Ptr.Parameters) < 1 {
-			method.Ptr.Parameters = make(map[string]*MethodParameter, 0)
+			method.Ptr.Parameters = make(map[string]*Parameter, 0)
 			continue
 		}
 

config/method.go

@@ -0,0 +1 @@
+package config

config/public.go

@@ -1,79 +0,0 @@
-package config
-
-import (
-	"encoding/json"
-	"os"
-	"strings"
-)
-
-// Load builds a structured representation of the
-// configuration file located at @path
-// The struct definition checks for most format errors
-func Load(path string) (*Controller, error) {
-
-	/* (1) Extract data
-	---------------------------------------------------------*/
-	/* (1) Open file */
-	var configFile, err = os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer configFile.Close()
-
-	/* (2) Init receiving dataset */
-	receiver := &Controller{}
-
-	/* (3) Decode JSON */
-	decoder := json.NewDecoder(configFile)
-	err = decoder.Decode(receiver)
-	if err != nil {
-		return nil, err
-	}
-
-	/* (4) Format result */
-	err = receiver.format("/")
-	if err != nil {
-		return nil, err
-	}
-
-	/* (5) Set default optional fields */
-	receiver.setDefaults()
-
-	return receiver, nil
-
-}
-
-// IsMethodAvailable returns whether a given
-// method is available (case insensitive)
-func IsMethodAvailable(method string) bool {
-	for _, m := range AvailableMethods {
-		if strings.ToUpper(method) == m {
-			return true
-		}
-	}
-
-	return false
-}
-
-// Method returns whether the controller has a given
-// method by name (case insensitive)
-// NIL is returned if no method is found
-func (c Controller) Method(method string) *Method {
-	method = strings.ToUpper(method)
-
-	switch method {
-
-	case "GET":
-		return c.GET
-	case "POST":
-		return c.POST
-	case "PUT":
-		return c.PUT
-	case "DELETE":
-		return c.DELETE
-	default:
-		return nil
-
-	}
-
-}

config/types.go

@@ -3,7 +3,7 @@ package config
 /* (1) Configuration
 ---------------------------------------------------------*/
 
-type MethodParameter struct {
+type Parameter struct {
 	Description string       `json:"des"`
 	Type        string       `json:"typ"`
 	Rename      *string      `json:"ren"`
@@ -13,7 +13,7 @@ type MethodParameter struct {
 type Method struct {
 	Description string                 `json:"des"`
 	Permission  [][]string             `json:"per"`
-	Parameters  map[string]*MethodParameter `json:"par"`
+	Parameters  map[string]*Parameter  `json:"par"`
 	Options     map[string]interface{} `json:"opt"`
 }
 
@@ -25,5 +25,3 @@ type Controller struct {
 
 	Children map[string]*Controller `json:"/"`
 }
-
-var AvailableMethods = []string{"GET", "POST", "PUT", "DELETE"}

implement/response.go

@@ -0,0 +1,34 @@
+package implement
+
+import (
+	"git.xdrm.io/xdrm-brackets/gfw/err"
+)
+
+func NewResponse() *Response {
+	return &Response{
+		data: make(map[string]interface{}),
+		Err:  err.Success,
+	}
+}
+
+func (i *Response) Set(name string, value interface{}) {
+	i.m.Lock()
+	defer i.m.Unlock()
+
+	i.data[name] = value
+}
+
+func (i *Response) Get(name string) interface{} {
+	i.m.Lock()
+	value, _ := i.data[name]
+	i.m.Unlock()
+
+	return value
+}
+
+func (i *Response) Dump() map[string]interface{} {
+	i.m.Lock()
+	defer i.m.Unlock()
+
+	return i.data
+}

implement/types.go

@@ -0,0 +1,14 @@
+package implement
+
+import (
+	"git.xdrm.io/xdrm-brackets/gfw/err"
+	"sync"
+)
+
+type Controller func(map[string]interface{}) *Response
+
+type Response struct {
+	data map[string]interface{}
+	m    sync.Mutex
+	Err  err.Error
+}

request/dataset.go

@@ -1,4 +1,4 @@
-package gfw
+package request
 
 import (
 	"encoding/json"
@@ -7,37 +7,37 @@ import (
 	"log"
 	"net/http"
 	"strings"
+	"time"
 )
 
-// buildRequestDataFromRequest builds a 'requestData'
+func NewDataset() *DataSet {
-// from an http request
+	return &DataSet{
-func buildRequestDataFromRequest(req *http.Request) *requestData {
+		Uri:  make([]*Parameter, 0),
-
+		Get:  make(map[string]*Parameter),
-	i := &requestData{
+		Form: make(map[string]*Parameter),
-		Url:  make([]*requestParameter, 0),
+		Set:  make(map[string]*Parameter),
-		Get:  make(map[string]*requestParameter),
-		Form: make(map[string]*requestParameter),
-		Set:  make(map[string]*requestParameter),
 	}
+}
 
-	// GET (query) data
+// Build builds a 'DataSet' from an http request
+func (i *DataSet) Build(req *http.Request) {
+
+	/* (1) GET (query) data */
 	i.fetchGet(req)
 
-	// no Form if GET
+	/* (2) We are done if GET method */
 	if req.Method == "GET" {
-		return i
+		return
 	}
 
-	// POST (body) data
+	/* (3) POST (body) data */
 	i.fetchForm(req)
 
-	return i
-
 }
 
-// bindUrl stores URL data and fills 'Set'
+// setUriData stores URL data and fills 'Set'
 // with creating pointers inside 'Url'
-func (i *requestData) fillUrl(data []string) {
+func (i *DataSet) SetUri(data []string) {
 
 	for index, value := range data {
 
@@ -45,25 +45,25 @@ func (i *requestData) fillUrl(data []string) {
 		setindex := fmt.Sprintf("URL#%d", index)
 
 		// store value in 'Set'
-		i.Set[setindex] = &requestParameter{
+		i.Set[setindex] = &Parameter{
 			Parsed: false,
 			Value:  value,
 		}
 
 		// create link in 'Url'
-		i.Url = append(i.Url, i.Set[setindex])
+		i.Uri = append(i.Uri, i.Set[setindex])
 
 	}
 
 }
 
 // fetchGet stores data from the QUERY (in url parameters)
-func (i *requestData) fetchGet(req *http.Request) {
+func (i *DataSet) fetchGet(req *http.Request) {
 
 	for name, value := range req.URL.Query() {
 
 		// prevent injections
-		if isParameterNameInjection(name) {
+		if nameInjection(name) {
 			log.Printf("get.injection: '%s'\n", name)
 			continue
 		}
@@ -72,7 +72,7 @@ func (i *requestData) fetchGet(req *http.Request) {
 		setindex := fmt.Sprintf("GET@%s", name)
 
 		// store value in 'Set'
-		i.Set[setindex] = &requestParameter{
+		i.Set[setindex] = &Parameter{
 			Parsed: false,
 			Value:  value,
 		}
@@ -89,34 +89,44 @@ func (i *requestData) fetchGet(req *http.Request) {
 // - parse 'form-data' if not supported (not POST requests)
 // - parse 'x-www-form-urlencoded'
 // - parse 'application/json'
-func (i *requestData) fetchForm(req *http.Request) {
+func (i *DataSet) fetchForm(req *http.Request) {
+
+	fmt.Printf("Parsing FORM...")
+	startn := time.Now().UnixNano()
 
 	contentType := req.Header.Get("Content-Type")
 
 	// parse json
 	if strings.HasPrefix(contentType, "application/json") {
-		i.parseJsonForm(req)
+		i.parseJson(req)
+
+		fmt.Printf("* %.3f us\n", float64(time.Now().UnixNano()-startn)/1e3)
 		return
 	}
 
 	// parse urlencoded
 	if strings.HasPrefix(contentType, "application/x-www-form-urlencoded") {
-		i.parseUrlencodedForm(req)
+		i.parseUrlencoded(req)
+
+		fmt.Printf("* %.3f us\n", float64(time.Now().UnixNano()-startn)/1e3)
 		return
 	}
 
 	// parse multipart
 	if strings.HasPrefix(contentType, "multipart/form-data; boundary=") {
-		i.parseMultipartForm(req)
+		i.parseMultipart(req)
+
+		fmt.Printf("* %.3f us\n", float64(time.Now().UnixNano()-startn)/1e3)
 		return
 	}
 
 	// if unknown type store nothing
+	fmt.Printf("* %.3f us\n", float64(time.Now().UnixNano()-startn)/1e3)
 }
 
-// parseJsonForm parses JSON from the request body inside 'Form'
+// parseJson parses JSON from the request body inside 'Form'
 // and 'Set'
-func (i *requestData) parseJsonForm(req *http.Request) {
+func (i *DataSet) parseJson(req *http.Request) {
 
 	parsed := make(map[string]interface{}, 0)
 
@@ -131,13 +141,13 @@ func (i *requestData) parseJsonForm(req *http.Request) {
 	for name, value := range parsed {
 
 		// prevent injections
-		if isParameterNameInjection(name) {
+		if nameInjection(name) {
 			log.Printf("post.injection: '%s'\n", name)
 			continue
 		}
 
 		// store value in 'Set'
-		i.Set[name] = &requestParameter{
+		i.Set[name] = &Parameter{
 			Parsed: true,
 			Value:  value,
 		}
@@ -149,9 +159,9 @@ func (i *requestData) parseJsonForm(req *http.Request) {
 
 }
 
-// parseUrlencodedForm parses urlencoded from the request body inside 'Form'
+// parseUrlencoded parses urlencoded from the request body inside 'Form'
 // and 'Set'
-func (i *requestData) parseUrlencodedForm(req *http.Request) {
+func (i *DataSet) parseUrlencoded(req *http.Request) {
 
 	// use http.Request interface
 	req.ParseForm()
@@ -159,13 +169,13 @@ func (i *requestData) parseUrlencodedForm(req *http.Request) {
 	for name, value := range req.PostForm {
 
 		// prevent injections
-		if isParameterNameInjection(name) {
+		if nameInjection(name) {
 			log.Printf("post.injection: '%s'\n", name)
 			continue
 		}
 
 		// store value in 'Set'
-		i.Set[name] = &requestParameter{
+		i.Set[name] = &Parameter{
 			Parsed: false,
 			Value:  value,
 		}
@@ -176,9 +186,9 @@ func (i *requestData) parseUrlencodedForm(req *http.Request) {
 
 }
 
-// parseMultipartForm parses multi-part from the request body inside 'Form'
+// parseMultipart parses multi-part from the request body inside 'Form'
 // and 'Set'
-func (i *requestData) parseMultipartForm(req *http.Request) {
+func (i *DataSet) parseMultipart(req *http.Request) {
 
 	/* (1) Create reader */
 	mpr := multipart.CreateReader(req)
@@ -190,13 +200,13 @@ func (i *requestData) parseMultipartForm(req *http.Request) {
 	for name, component := range mpr.Components {
 
 		// prevent injections
-		if isParameterNameInjection(name) {
+		if nameInjection(name) {
 			log.Printf("post.injection: '%s'\n", name)
 			continue
 		}
 
 		// store value in 'Set'
-		i.Set[name] = &requestParameter{
+		i.Set[name] = &Parameter{
 			Parsed: false,
 			File:   component.File,
 			Value:  component.Data,
@@ -210,11 +220,3 @@ func (i *requestData) parseMultipartForm(req *http.Request) {
 	return
 
 }
-
-// isParameterNameInjection returns whether there is
-// a parameter name injection:
-// - inferred GET parameters
-// - inferred URL parameters
-func isParameterNameInjection(pName string) bool {
-	return strings.HasPrefix(pName, "GET@") || strings.HasPrefix(pName, "URL#")
-}

request/parameter.go

@@ -0,0 +1,14 @@
+package request
+
+// Parse parameter (json-like) if not already done
+func (i *Parameter) Parse() {
+
+	/* (1) Stop if already parsed or nil*/
+	if i.Parsed || i.Value == nil {
+		return
+	}
+
+	/* (2) Try to parse value */
+	i.Value = parseParameter(i.Value)
+
+}

request/request.go

@@ -0,0 +1,129 @@
+package request
+
+import (
+	"encoding/json"
+	"fmt"
+	"git.xdrm.io/xdrm-brackets/gfw/implement"
+	"log"
+	"net/http"
+	"plugin"
+	"strings"
+	"time"
+)
+
+// Build builds an interface request from a http.Request
+func Build(req *http.Request) (*Request, error) {
+
+	/* (1) Get useful data */
+	uri := normaliseUri(req.URL.Path)
+	uriparts := strings.Split(uri, "/")
+
+	/* (2) Init request */
+	inst := &Request{
+		Uri:  uriparts,
+		Path: make([]string, 0, len(uriparts)),
+		Data: NewDataset(),
+	}
+
+	/* (3) Build dataset */
+	inst.Data.Build(req)
+
+	return inst, nil
+}
+
+// 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{})
+
+	// Abort if GET request
+	if req.Method == "GET" {
+		return res
+	}
+
+	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
+
+		startn := time.Now().UnixNano()
+		// 1. Parse form-data
+		if err := req.ParseMultipartForm(req.ContentLength + 1); err != nil {
+			log.Printf("[read.multipart] %s\n", err)
+			return res
+		}
+
+		// 2. Extract values
+		for name, value := range req.PostForm {
+			res[name] = value
+		}
+		fmt.Printf("* %.3f us\n", float64(time.Now().UnixNano()-startn)/1e3)
+
+	}
+
+	return res
+}
+
+// LoadController tries to load a controller from its uri
+// checks for its given method ('Get', 'Post', 'Put', or 'Delete')
+func (i *Request) LoadController(method string) (implement.Controller, error) {
+
+	/* (1) Build controller path */
+	path := fmt.Sprintf("%si.so", i.Path)
+
+	/* (2) Format url */
+	tmp := []byte(strings.ToLower(method))
+	tmp[0] = tmp[0] - ('a' - 'A')
+	method = string(tmp)
+
+	fmt.Printf("method is '%s'\n", method)
+	return nil, nil
+
+	/* (2) Try to load plugin */
+	p, err2 := plugin.Open(path)
+	if err2 != nil {
+		return nil, err2
+	}
+
+	/* (3) Try to extract method */
+	m, err2 := p.Lookup(method)
+	if err2 != nil {
+		return nil, err2
+	}
+
+	/* (4) Check signature */
+	callable, validSignature := m.(implement.Controller)
+	if !validSignature {
+		return nil, fmt.Errorf("Invalid signature for method %s", method)
+	}
+
+	return callable, nil
+
+}

request/types.go

@@ -0,0 +1,56 @@
+package request
+
+type Request struct {
+	// corresponds to the list of uri components
+	//  featuring in the request URI
+	Uri []string
+
+	// controller path (portion of 'Uri')
+	Path []string
+
+	// contains all data from URL, GET, and FORM
+	Data *DataSet
+}
+
+type DataSet struct {
+
+	// ordered values from the URI
+	//  catches all after the controller path
+	//
+	// points to Request.Data
+	Uri []*Parameter
+
+	// uri parameters following the QUERY format
+	//
+	// points to Request.Data
+	Get map[string]*Parameter
+
+	// form data depending on the Content-Type:
+	//  'application/json'                  => key-value pair is parsed as json into the map
+	//  'application/x-www-form-urlencoded' => standard parameters as QUERY parameters
+	//  'multipart/form-data'               => parse form-data format
+	//
+	// points to Request.Data
+	Form map[string]*Parameter
+
+	// contains URL+GET+FORM data with prefixes:
+	// - FORM: no prefix
+	// - URL:  'URL#' followed by the index in Uri
+	// - GET:  'GET@' followed by the key in GET
+	Set map[string]*Parameter
+}
+
+// Parameter represents an http request parameter
+// that can be of type URL, GET, or FORM (multipart, json, urlencoded)
+type Parameter struct {
+	// whether the value has been json-parsed
+	// for optimisation purpose, parameters are only parsed
+	// if they are required by the current controller
+	Parsed bool
+
+	// whether the value is a file
+	File bool
+
+	// the actual parameter value
+	Value interface{}
+}

request/utils.go

@@ -0,0 +1,118 @@
+package request
+
+import (
+	"encoding/json"
+	"fmt"
+	"reflect"
+	"strings"
+)
+
+// 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 len(uri) > 1 && uri[len(uri)-1] == '/' {
+		uri = uri[0 : len(uri)-1]
+	}
+
+	return uri
+}
+
+// nameInjection returns whether there is
+// a parameter name injection:
+// - inferred GET parameters
+// - inferred URL parameters
+func nameInjection(pName string) bool {
+	return strings.HasPrefix(pName, "GET@") || strings.HasPrefix(pName, "URL#")
+}
+
+// parseParameter parses http GET/POST data
+// - []string
+//		- size = 1 : return json of first element
+//		- size > 1 : return array of json elements
+// - string : return json if valid, else return raw string
+func parseParameter(data interface{}) interface{} {
+	dtype := reflect.TypeOf(data)
+	dvalue := reflect.ValueOf(data)
+
+	switch dtype.Kind() {
+
+	/* (1) []string -> recursive */
+	case reflect.Slice:
+
+		// 1. Return nothing if empty
+		if dvalue.Len() == 0 {
+			return nil
+		}
+
+		// 2. only return first element if alone
+		if dvalue.Len() == 1 {
+
+			element := dvalue.Index(0)
+			if element.Kind() != reflect.String {
+				return nil
+			}
+			return parseParameter(element.String())
+
+			// 3. Return all elements if more than 1
+		} else {
+
+			result := make([]interface{}, dvalue.Len())
+
+			for i, l := 0, dvalue.Len(); i < l; i++ {
+				element := dvalue.Index(i)
+
+				// ignore non-string
+				if element.Kind() != reflect.String {
+					continue
+				}
+
+				result[i] = parseParameter(element.String())
+			}
+			return result
+
+		}
+
+	/* (2) string -> parse */
+	case reflect.String:
+
+		// build json wrapper
+		wrapper := fmt.Sprintf("{\"wrapped\":%s}", dvalue.String())
+
+		// try to parse as json
+		var result interface{}
+		err := json.Unmarshal([]byte(wrapper), &result)
+
+		// return if success
+		if err == nil {
+
+			mapval, ok := result.(map[string]interface{})
+			if !ok {
+				return dvalue.String()
+			}
+
+			wrapped, ok := mapval["wrapped"]
+			if !ok {
+				return dvalue.String()
+			}
+
+			return wrapped
+		}
+
+		// else return as string
+		return dvalue.String()
+
+	}
+
+	/* (3) NIL if unknown type */
+	return dvalue
+
+}

request_builder.go

@@ -1,230 +0,0 @@
-package gfw
-
-import (
-	"encoding/json"
-	"fmt"
-	"git.xdrm.io/xdrm-brackets/gfw/err"
-	"log"
-	"net/http"
-	"plugin"
-	"reflect"
-	"strings"
-	"time"
-)
-
-// buildRequest builds an interface request
-// from a http.Request
-func buildRequest(req *http.Request) (*Request, error) {
-
-	/* (1) Get useful data */
-	uri := NormaliseUri(req.URL.Path)
-	uriparts := strings.Split(uri, "/")
-
-	/* (2) Init request */
-	inst := &Request{
-		Uri:           uriparts,
-		ControllerUri: make([]string, 0, len(uriparts)),
-		Data:          buildRequestDataFromRequest(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 len(uri) > 1 && uri[len(uri)-1] == '/' {
-		uri = uri[0 : len(uri)-1]
-	}
-
-	return uri
-}
-
-// 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{})
-
-	// Abort if GET request
-	if req.Method == "GET" {
-		return res
-	}
-
-	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
-
-		startn := time.Now().UnixNano()
-		// 1. Parse form-data
-		if err := req.ParseMultipartForm(req.ContentLength + 1); err != nil {
-			log.Printf("[read.multipart] %s\n", err)
-			return res
-		}
-
-		// 2. Extract values
-		for name, value := range req.PostForm {
-			res[name] = value
-		}
-		fmt.Printf("* %.3f us\n", float64(time.Now().UnixNano()-startn)/1e3)
-
-	}
-
-	return res
-}
-
-// parseHttpData parses http GET/POST data
-// - []string
-//		- size = 1 : return json of first element
-//		- size > 1 : return array of json elements
-// - string : return json if valid, else return raw string
-func parseHttpData(data interface{}) interface{} {
-	dtype := reflect.TypeOf(data)
-	dvalue := reflect.ValueOf(data)
-
-	switch dtype.Kind() {
-
-	/* (1) []string -> recursive */
-	case reflect.Slice:
-
-		// 1. Return nothing if empty
-		if dvalue.Len() == 0 {
-			return nil
-		}
-
-		// 2. only return first element if alone
-		if dvalue.Len() == 1 {
-
-			element := dvalue.Index(0)
-			if element.Kind() != reflect.String {
-				return nil
-			}
-			return parseHttpData(element.String())
-
-			// 3. Return all elements if more than 1
-		} else {
-
-			result := make([]interface{}, dvalue.Len())
-
-			for i, l := 0, dvalue.Len(); i < l; i++ {
-				element := dvalue.Index(i)
-
-				// ignore non-string
-				if element.Kind() != reflect.String {
-					continue
-				}
-
-				result[i] = parseHttpData(element.String())
-			}
-			return result
-
-		}
-
-	/* (2) string -> parse */
-	case reflect.String:
-
-		// build json wrapper
-		wrapper := fmt.Sprintf("{\"wrapped\":%s}", dvalue.String())
-
-		// try to parse as json
-		var result interface{}
-		err := json.Unmarshal([]byte(wrapper), &result)
-
-		// return if success
-		if err == nil {
-
-			mapval, ok := result.(map[string]interface{})
-			if !ok {
-				return dvalue.String()
-			}
-
-			wrapped, ok := mapval["wrapped"]
-			if !ok {
-				return dvalue.String()
-			}
-
-			return wrapped
-		}
-
-		// else return as string
-		return dvalue.String()
-
-	}
-
-	/* (3) NIL if unknown type */
-	return dvalue
-
-}
-
-// loadController tries to load a controller from its uri
-// checks for its given method ('Get', 'Post', 'Put', or 'Delete')
-func (i *Request) loadController(method string) (func(map[string]interface{}) (map[string]interface{}, err.Error), error) {
-
-	/* (1) Build controller path */
-	path := fmt.Sprintf("%si.so", i.ControllerUri)
-
-	/* (2) Format url */
-	tmp := []byte(strings.ToLower(method))
-	tmp[0] = tmp[0] - ('a' - 'A')
-	method = string(tmp)
-
-	fmt.Printf("method is '%s'\n", method)
-	return nil, nil
-
-	/* (2) Try to load plugin */
-	p, err2 := plugin.Open(path)
-	if err2 != nil {
-		return nil, err2
-	}
-
-	/* (3) Try to extract method */
-	m, err2 := p.Lookup(method)
-	if err2 != nil {
-		return nil, err2
-	}
-
-	/* (4) Check signature */
-	callable, validSignature := m.(func(map[string]interface{}) (map[string]interface{}, err.Error))
-	if !validSignature {
-		return nil, fmt.Errorf("Invalid signature for method %s", method)
-	}
-
-	return callable, nil
-
-}

router.go

@@ -4,30 +4,30 @@ import (
 	"fmt"
 	"git.xdrm.io/xdrm-brackets/gfw/config"
 	"git.xdrm.io/xdrm-brackets/gfw/err"
+	"git.xdrm.io/xdrm-brackets/gfw/request"
 	"log"
 	"net/http"
 	"strings"
 )
 
-func (s *Server) route(res http.ResponseWriter, req *http.Request) {
+func (s *Server) route(res http.ResponseWriter, httpReq *http.Request) {
 
 	/* (1) Build request
 	---------------------------------------------------------*/
 	/* (1) Try to build request */
-	request, err2 := buildRequest(req)
+	req, err2 := request.Build(httpReq)
 	if err2 != nil {
-		log.Fatal(req)
+		log.Fatal(err2)
 	}
 
 	/* (2) Find a controller
 	---------------------------------------------------------*/
-	controller := s.findController(request)
+	controller := s.findController(req)
 
 	/* (3) Check method
 	---------------------------------------------------------*/
-	method := s.getMethod(controller, req.Method)
+	var method *config.Method
-
+	if method = controller.Method(httpReq.Method); method == nil {
-	if method == nil {
 		Json, _ := err.UnknownMethod.MarshalJSON()
 		res.Header().Add("Content-Type", "application/json")
 		res.Write(Json)
@@ -42,7 +42,7 @@ func (s *Server) route(res http.ResponseWriter, req *http.Request) {
 	for name, param := range method.Parameters {
 
 		/* (1) Extract value */
-		p, isset := request.Data.Set[name]
+		p, isset := req.Data.Set[name]
 
 		/* (2) Required & missing */
 		if !isset && !*param.Optional {
@@ -53,7 +53,7 @@ func (s *Server) route(res http.ResponseWriter, req *http.Request) {
 
 		/* (3) Optional & missing: set default value */
 		if !isset {
-			p = &requestParameter{
+			p = &request.Parameter{
 				Parsed: true,
 				File:   param.Type == "FILE",
 				Value:  nil,
@@ -64,8 +64,8 @@ func (s *Server) route(res http.ResponseWriter, req *http.Request) {
 		}
 
 		/* (4) Parse parameter if not file */
-		if !p.Parsed && !p.File {
+		if !p.File {
-			p.Value = parseHttpData(p.Value)
+			p.Parse()
 		}
 
 		/* (4) Fail on unexpected multipart file */
@@ -109,67 +109,43 @@ func (s *Server) route(res http.ResponseWriter, req *http.Request) {
 
 	/* (5) Load controller
 	---------------------------------------------------------*/
-	callable, err := request.loadController(req.Method)
+	callable, err := req.LoadController(httpReq.Method)
 	if err != nil {
 		log.Printf("[err] %s\n", err)
 		return
 	}
-	fmt.Printf("OK\nplugin: '%si.so'\n", strings.Join(request.ControllerUri, "/"))
+	fmt.Printf("OK\nplugin: '%si.so'\n", strings.Join(req.Path, "/"))
 	for name, value := range parameters {
 		fmt.Printf("  $%s = %v\n", name, value)
 	}
 
 	/* (6) Execute and get response
 	---------------------------------------------------------*/
-	out, _ := callable(parameters)
+	resp := callable(parameters)
+	if resp != nil {
 		fmt.Printf("-- OUT --\n")
-	for name, value := range out {
+		for name, value := range resp.Dump() {
 			fmt.Printf("  $%s = %v\n", name, value)
 		}
+		eJSON, _ := resp.Err.MarshalJSON()
+		fmt.Printf("-- ERR --\n%s\n", eJSON)
+	}
 	return
 }
 
-func (s *Server) findController(req *Request) *config.Controller {
+func (s *Server) findController(req *request.Request) *config.Controller {
-	/* (1) Init browsing cursors */
-	ctl := s.config
-	uriIndex := 0
 
-	/* (2) Browse while there is uri parts */
+	/* (1) Try to browse by URI */
-	for uriIndex < len(req.Uri) {
+	pathi, ctl := s.config.Browse(req.Uri)
-		uri := req.Uri[uriIndex]
 
-		child, hasKey := ctl.Children[uri]
+	/* (2) Set controller uri */
-
+	req.Path = make([]string, 0, pathi)
-		// stop if no matchind child
+	req.Path = append(req.Path, req.Uri[:pathi]...)
-		if !hasKey {
-			break
-		}
-
-		req.ControllerUri = append(req.ControllerUri, uri)
-		ctl = child
-		uriIndex++
-
-	}
 
 	/* (3) Extract & store URI params */
-	req.Data.fillUrl(req.Uri[uriIndex:])
+	req.Data.SetUri(req.Uri[pathi:])
 
 	/* (4) Return controller */
 	return ctl
 
 }
-
-func (s *Server) getMethod(controller *config.Controller, method string) *config.Method {
-
-	/* (1) Unavailable method */
-	if !config.IsMethodAvailable(method) {
-		return nil
-	}
-
-	/* (2) Extract method cursor */
-	var foundMethod = controller.Method(method)
-
-	/* (3) Return method | nil on error */
-	return foundMethod
-
-}

types.go

@@ -12,58 +12,3 @@ type Server struct {
 	Checker *checker.TypeRegistry // type check
 	err     err.Error
 }
-
-type Request struct {
-	// corresponds to the list of uri components
-	//  featuring in the request URI
-	Uri []string
-
-	// portion of the URI that corresponds to the controllerpath
-	ControllerUri []string
-
-	// contains all data from URL, GET, and FORM
-	Data *requestData
-}
-
-type requestData struct {
-
-	// ordered values from the URI
-	//  catches all after the controller path
-	//
-	// points to Request.Data
-	Url []*requestParameter
-
-	// uri parameters following the QUERY format
-	//
-	// points to Request.Data
-	Get map[string]*requestParameter
-
-	// form data depending on the Content-Type:
-	//  'application/json'                  => key-value pair is parsed as json into the map
-	//  'application/x-www-form-urlencoded' => standard parameters as QUERY parameters
-	//  'multipart/form-data'               => parse form-data format
-	//
-	// points to Request.Data
-	Form map[string]*requestParameter
-
-	// contains URL+GET+FORM data with prefixes:
-	// - FORM: no prefix
-	// - URL:  'URL#' followed by the index in Uri
-	// - GET:  'GET@' followed by the key in GET
-	Set map[string]*requestParameter
-}
-
-// requestParameter represents an http request parameter
-// that can be of type URL, GET, or FORM (multipart, json, urlencoded)
-type requestParameter struct {
-	// whether the value has been json-parsed
-	// for optimisation purpose, parameters are only parsed
-	// if they are required by the current controller
-	Parsed bool
-
-	// whether the value is a file
-	File bool
-
-	// the actual parameter value
-	Value interface{}
-}