Dockerfile

@@ -10,6 +10,8 @@ ADD public/ public/
 
 ADD cmd/ cmd/
 
+ADD api/ api/
+
 RUN CGO_ENABLED=0 go build -a -installsuffix cgo -o agecem-org .
 
 # Alpine

api/api.go

@@ -0,0 +1,101 @@
+package api
+
+import (
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+)
+
+type API struct {
+	Protocol string
+	Host     string
+	Port     int
+	Opts     APIOptions
+}
+
+type APIOptions struct {
+	KeyAuth bool
+	Key     string
+}
+
+func New(protocol, host string, port int, opts APIOptions) (*API, error) {
+	api := API{
+		Protocol: protocol,
+		Host:     host,
+		Port:     port,
+		Opts:     opts,
+	}
+
+	return &api, nil
+}
+
+// Call returns a []byte representing a response body.
+// Can be used for GET or DELETE methods
+func (a *API) Call(method, route string) ([]byte, error) {
+	endpoint := fmt.Sprintf("%s://%s:%d",
+		a.Protocol,
+		a.Host,
+		a.Port,
+	)
+	request := fmt.Sprintf("%s%s", endpoint, route)
+
+	switch method {
+	case http.MethodGet:
+		// Create client
+		client := &http.Client{}
+
+		// Create request
+		request, err := http.NewRequest(http.MethodGet, request, nil)
+		if err != nil {
+			return nil, err
+		}
+
+		if a.Opts.KeyAuth {
+			request.Header.Add("Authorization", fmt.Sprintf("Bearer %s", a.Opts.Key))
+		}
+
+		// Fetch Request
+		response, err := client.Do(request)
+		if err != nil {
+			return nil, err
+		}
+
+		defer response.Body.Close()
+
+		body, err := ioutil.ReadAll(response.Body)
+		if err != nil {
+			return nil, err
+		}
+
+		return body, nil
+	case http.MethodDelete:
+		// Create client
+		client := &http.Client{}
+
+		// Create request
+		req, err := http.NewRequest(http.MethodDelete, request, nil)
+		if err != nil {
+			return nil, err
+		}
+
+		if a.Opts.KeyAuth {
+			req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", a.Opts.Key))
+		}
+
+		// Fetch Request
+		resp, err := client.Do(req)
+		if err != nil {
+			return nil, err
+		}
+		defer resp.Body.Close()
+
+		// Read Response Body
+		respBody, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			return nil, err
+		}
+		return respBody, nil
+	}
+	return nil, errors.New(fmt.Sprintf("method must be 'GET' or 'DELETE', got '%s'", method))
+}

cmd/server.go

@@ -6,6 +6,7 @@ package cmd
 import (
 	"context"
 	"crypto/subtle"
+	"encoding/json"
 	"fmt"
 	"log"
 
@@ -20,6 +21,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
+	"git.agecem.com/agecem/agecem-org/api"
 	"git.agecem.com/agecem/agecem-org/public"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
@@ -148,6 +150,10 @@ func RunServer() {
 
 	e.GET("/formulaires", handleFormulaires)
 
+	// Public Routes
+
+	e.GET("/public/documentation/:bucket/:document", handlePublicDocumentation)
+
 	e.Logger.Fatal(e.Start(
 		fmt.Sprintf(":%d", viper.GetInt("server.port"))))
 }
@@ -573,20 +579,98 @@ func handleActualiteArticle(c echo.Context) error {
 	article := c.Param("article")
 	return c.String(http.StatusOK, fmt.Sprintf("Article: %s", article))
 }
+
 func handleVieEtudiante(c echo.Context) error {
 	return c.Render(http.StatusOK, "vie-etudiante-html", nil)
 }
+
 func handleVieEtudianteOrganisme(c echo.Context) error {
 	organisme := c.Param("organisme")
 	return c.String(http.StatusOK, fmt.Sprintf("Organisme: %s", organisme))
 }
+
 func handleDocumentation(c echo.Context) error {
-	return c.Render(http.StatusOK, "documentation-html", nil)
+	client, err := api.New("http", "localhost", viper.GetInt("server.port"), api.APIOptions{
+		KeyAuth: viper.GetBool("server.api.auth"),
+		Key:     viper.GetString("server.api.key"),
+	})
+	if err != nil {
+		return c.Render(http.StatusInternalServerError, "documentation-html", nil)
+	}
+
+	result, err := client.Call(http.MethodGet, "/v1/bucket")
+	if err != nil {
+		return c.Render(http.StatusInternalServerError, "documentation-html", nil)
+	}
+
+	var buckets []string
+
+	err = json.Unmarshal(result, &buckets)
+	if err != nil {
+		return c.Render(http.StatusInternalServerError, "documentation-html", nil)
+	}
+
+	type Bucket struct {
+		Name      string
+		Documents []string
+	}
+
+	var data []Bucket
+
+	for _, bucket := range buckets {
+		result, err := client.Call(http.MethodGet, fmt.Sprintf("/v1/bucket/%s", bucket))
+		if err != nil {
+			return c.Render(http.StatusInternalServerError, "documentation-html", nil)
+		}
+
+		var documents []string
+
+		err = json.Unmarshal(result, &documents)
+		if err != nil {
+			return c.Render(http.StatusInternalServerError, "documentation-html", nil)
+		}
+
+		data = append(data, Bucket{
+			Name:      bucket,
+			Documents: documents,
+		})
+	}
+
+	return c.Render(http.StatusOK, "documentation-html", data)
 }
+
 func handleFormulaires(c echo.Context) error {
 	return c.Render(http.StatusOK, "formulaires-html", nil)
 }
 
+func handlePublicDocumentation(c echo.Context) error {
+	client, err := api.New("http", "localhost", viper.GetInt("server.port"), api.APIOptions{
+		KeyAuth: viper.GetBool("server.api.auth"),
+		Key:     viper.GetString("server.api.key"),
+	})
+	if err != nil {
+		return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
+	}
+
+	bucket := c.Param("bucket")
+	document := c.Param("document")
+
+	result, err := client.Call(http.MethodGet, fmt.Sprintf("/v1/bucket/%s/%s", bucket, document))
+	if err != nil {
+		return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
+	}
+
+	// Check if result can fit inside a map containing a message
+	var result_map map[string]string
+
+	err = json.Unmarshal(result, &result_map)
+	if err == nil {
+		return c.JSON(http.StatusBadRequest, result_map)
+	}
+
+	return c.Blob(http.StatusOK, "application/octet-stream", result)
+}
+
 // CSS Handlers
 
 func handleStaticCSSIndex(c echo.Context) error {

public/html/documentation.gohtml

@@ -9,6 +9,18 @@
   <body>
     {{ template "header-html" }}
     <h1>Documentation</h1>
+    <p>
+        {{ range . }}
+            {{ $bucket_name := .Name }}
+            <h2>{{ $bucket_name }}</h2>
+            
+            <ul>
+            {{ range .Documents }}
+                <li> <a href="/public/documentation/{{ $bucket_name }}/{{ . }}">{{ . }}</a></li>
+            {{ end}}
+            </ul>
+        {{ end }}
+    </p>
   </body>
 </html>
 {{ end }}