admin: Remove hardcoded strings

admin/api/password.go

@@ -8,7 +8,9 @@ import (
 	"net/http"
 	"os"
 	"path"
+	"strings"
 	"text/template"
+	"unicode"
 
 	"srs.epita.fr/fic-server/admin/pki"
 	"srs.epita.fr/fic-server/libfic"
@@ -135,7 +137,7 @@ web:
   http: 0.0.0.0:5556
 frontend:
   issuer: Challenge forensic
-  logoURL: files/logo/ec2.png
+  logoURL: {{ .LogoPath }}
   dir: /srv/dex/web/
 oauth2:
   skipApprovalScreen: true
@@ -158,7 +160,7 @@ const dexpasswdtpl = `{{ "{{" }} template "header.html" . {{ "}}" }}
 
 <div class="theme-panel">
   <h2 class="theme-heading">
-    Bienvenue au challenge Forensic&nbsp;!
+    Bienvenue au {{ .Name }}&nbsp;!
   </h2>
   <form method="post" action="{{ "{{" }} .PostURL {{ "}}" }}">
     <div class="theme-form-row">
@@ -203,24 +205,48 @@ type dexConfigClient struct {
 }
 
 type dexConfig struct {
+	Name     string
 	Issuer   string
 	Clients  []dexConfigClient
 	Teams    []*fic.Team
+	LogoPath string
 }
 
 func genDexConfig() ([]byte, error) {
-	if teams, err := fic.GetTeams(); err != nil {
-		return nil, err
-	} else if OidcSecret == "" {
+	if OidcSecret == "" {
 		return nil, fmt.Errorf("Unable to generate dex configuration: OIDC Secret not defined. Please define FICOIDC_SECRET in your environment.")
-	} else {
+	}
+
+	teams, err := fic.GetTeams()
+	if err != nil {
+		return nil, err
+	}
+
 	b := bytes.NewBufferString("")
 
-		if challengeInfo, err := GetChallengeInfo(); err != nil {
+	challengeInfo, err := GetChallengeInfo()
+	if err != nil {
 		return nil, fmt.Errorf("Cannot create template: %w", err)
-		} else if dexTmpl, err := template.New("dexcfg").Parse(dexcfgtpl); err != nil {
+	}
+
+	// Lower the first letter to be included in a sentence.
+	name := []rune(challengeInfo.Title)
+	if len(name) > 0 {
+		name[0] = unicode.ToLower(name[0])
+	}
+
+	logoPath := ""
+	if len(challengeInfo.MainLogo) > 0 {
+		logoPath = strings.Replace(challengeInfo.MainLogo[len(challengeInfo.MainLogo)-1], "$FILES$", fic.FilesDir, -1)
+	}
+
+	dexTmpl, err := template.New("dexcfg").Parse(dexcfgtpl)
+	if err != nil {
 		return nil, fmt.Errorf("Cannot create template: %w", err)
-		} else if err = dexTmpl.Execute(b, dexConfig{
+	}
+
+	err = dexTmpl.Execute(b, dexConfig{
+		Name:   string(name),
 		Issuer: "https://" + OidcIssuer,
 		Clients: []dexConfigClient{
 			dexConfigClient{
@@ -231,9 +257,12 @@ func genDexConfig() ([]byte, error) {
 			},
 		},
 		Teams:    teams,
-		}); err != nil {
+		LogoPath: logoPath,
+	})
+	if err != nil {
 		return nil, fmt.Errorf("An error occurs during template execution: %w", err)
-		} else {
+	}
+
 	// Also generate team associations
 	for _, team := range teams {
 		if _, err := os.Stat(path.Join(TeamsDir, fmt.Sprintf("team%02d", team.Id))); err == nil {
@@ -249,8 +278,6 @@ func genDexConfig() ([]byte, error) {
 	}
 
 	return b.Bytes(), nil
-		}
-	}
 }
 
 func genDexPasswordTpl() ([]byte, error) {