fix style, implement config load/save

archetype/adapter.go

@@ -5,13 +5,18 @@ type BuildStatus struct {
 	Message string
 }
 
+type ConfigOption struct {
+	Name string
+	Type string
+}
+
 type Adapter interface {
 	Init(cfg *Config)
 	Name() string
 	EditableSlugs() bool
 	BuildOptions() []string
-	GetConfig(key string) (interface{}, error)
+	GetConfig() map[ConfigOption]string
-	SetConfig(key string, value interface{}) error
+	SetConfig(map[ConfigOption]string) error
 	ListPages() map[string]string
 	GetPage(string) (Page, error)
 	FormatPage(string) string

archetype/eureka.go

@@ -6,12 +6,13 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strconv"
 	"strings"
 )
 
 type EurekaAdapter struct {
 	Root   string
-	Config map[string]interface{}
+	Config map[ConfigOption]string
 }
 
 func (self *EurekaAdapter) Init(cfg *Config) {
@@ -23,8 +24,12 @@ func (self *EurekaAdapter) Init(cfg *Config) {
 	}
 
 	self.Root = cfg.Root
-
+	self.Config = make(map[ConfigOption]string)
 	// TODO: read config.h and build self.Config
+	err = self.readCfg()
+	if err != nil {
+		panic("config.h is malformed!")
+	}
 }
 
 func (self *EurekaAdapter) Name() string {
@@ -39,12 +44,13 @@ func (self *EurekaAdapter) BuildOptions() []string {
 	return []string{"twtxt"}
 }
 
-func (self *EurekaAdapter) GetConfig(key string) (interface{}, error) {
+func (self *EurekaAdapter) GetConfig() map[ConfigOption]string {
-	return nil, nil
+	return self.Config
 }
 
-func (self *EurekaAdapter) SetConfig(key string, value interface{}) error {
+func (self *EurekaAdapter) SetConfig(cfg map[ConfigOption]string) error {
-	return nil
+	self.Config = cfg
+	return self.writeCfg()
 }
 
 func (self *EurekaAdapter) ListPages() map[string]string {
@@ -85,7 +91,6 @@ func (self *EurekaAdapter) GetPage(filename string) (Page, error) {
 
 	return Page{
 		Title:   title,
-		Slug:    filename,
 		Content: content,
 		Edited:  fileInfo.ModTime(),
 	}, nil
@@ -129,7 +134,15 @@ func (self *EurekaAdapter) SavePage(oldSlug, newSlug, title, content string) err
 	defer f.Close()
 
 	if oldSlug != newSlug {
-		// TODO: delete old html as well
+		siteRoot := self.Config[ConfigOption{
+			Name: "SITEROOT",
+			Type: "string",
+		}]
+		htmlFile := filepath.Join(self.Root, siteRoot, oldSlug+"l")
+		_, err := os.Stat(htmlFile)
+		if !os.IsNotExist(err) {
+			os.Remove(htmlFile)
+		}
 		os.Remove(filepath.Join(self.Root, "inc", oldSlug))
 	}
 
@@ -138,7 +151,15 @@ func (self *EurekaAdapter) SavePage(oldSlug, newSlug, title, content string) err
 }
 
 func (self *EurekaAdapter) DeletePage(slug string) error {
-	// TODO: delete old html as well
+	siteRoot := self.Config[ConfigOption{
+		Name: "SITEROOT",
+		Type: "string",
+	}]
+	htmlFile := filepath.Join(self.Root, siteRoot, slug+"l")
+	_, err := os.Stat(htmlFile)
+	if !os.IsNotExist(err) {
+		os.Remove(htmlFile)
+	}
 	return os.Remove(filepath.Join(self.Root, "inc", slug))
 }
 
@@ -147,7 +168,7 @@ func (self *EurekaAdapter) Build(buildOptions map[string][]string) BuildStatus {
 	twtxt := buildOptions["twtxt"][0]
 	cmdArgs := ""
 	if twtxt != "" {
-		cmdArgs += " -t " + twtxt
+		cmdArgs += "-t " + twtxt
 	}
 
 	cmd := exec.Command("./build.sh", cmdArgs)
@@ -159,3 +180,111 @@ func (self *EurekaAdapter) Build(buildOptions map[string][]string) BuildStatus {
 		Message: string(out),
 	}
 }
+
+func (self *EurekaAdapter) readCfg() error {
+	configPath := filepath.Join(self.Root, "config.h")
+	_, err := os.Stat(filepath.Join(self.Root, "config.h"))
+	if os.IsNotExist(err) {
+		configPath = filepath.Join(self.Root, "config.def.h")
+	}
+	f, err := os.ReadFile(configPath)
+
+	if err != nil {
+		return err
+	}
+
+	fileData := string(f[:])
+
+	macros := strings.Split(fileData, "#define ")[1:]
+	for _, macro := range macros {
+		tokens := strings.Split(strings.TrimSpace(macro), " ")
+		k := tokens[0]
+		v := strings.TrimSpace(strings.Join(tokens[1:], " "))
+
+		if strings.Contains(v, "\"") {
+			if strings.Contains(v, "\\\r\n") || strings.Contains(v, "\\\n") {
+				// process multiline string
+				lines := strings.Split(v, "\n")
+				cleanedString := ""
+				for _, l := range lines {
+					l = strings.TrimSuffix(l, "\r")
+					l = strings.TrimSuffix(l, "\\")
+					l = strings.TrimSpace(l)
+					l = strings.TrimPrefix(l, "\"")
+					l = strings.TrimSuffix(l, "\"")
+					l = strings.ReplaceAll(l, "\\\"", "\"")
+					l = strings.ReplaceAll(l, "\\n", "\n")
+					cleanedString += l
+				}
+				self.Config[ConfigOption{
+					Name: k,
+					Type: "multilinestring",
+				}] = cleanedString
+			} else {
+				cleanedString := strings.TrimSuffix(strings.TrimPrefix(v, "\""), "\"")
+				cleanedString = strings.ReplaceAll(cleanedString, "\\n", "\n")
+				cleanedString = strings.ReplaceAll(cleanedString, "\r", "")
+				cleanedString = strings.ReplaceAll(cleanedString, "\\\"", "\"")
+				self.Config[ConfigOption{
+					Name: k,
+					Type: "string",
+				}] = cleanedString
+			}
+		} else if strings.Contains(v, ".") {
+			_, err := strconv.ParseFloat(v, 64)
+			if err != nil {
+				return err
+			}
+			self.Config[ConfigOption{
+				Name: k,
+				Type: "float",
+			}] = v
+		} else {
+			_, err := strconv.ParseInt(v, 10, 64)
+			if err != nil {
+				return err
+			}
+			self.Config[ConfigOption{
+				Name: k,
+				Type: "int",
+			}] = v
+		}
+	}
+	return nil
+}
+
+func (self *EurekaAdapter) writeCfg() error {
+	f, err := os.Create(filepath.Join(self.Root, "config.h"))
+	if err != nil {
+		return err
+	}
+
+	defer f.Close()
+
+	for k, v := range self.Config {
+		switch k.Type {
+		case "int":
+			_, err := strconv.ParseInt(v, 10, 64)
+			if err != nil {
+				return err
+			}
+			f.WriteString("#define " + k.Name + " " + v + "\n")
+		case "float":
+			_, err := strconv.ParseFloat(v, 64)
+			if err != nil {
+				return err
+			}
+			f.WriteString("#define " + k.Name + " " + v + "\n")
+		case "string":
+			fallthrough
+		case "multilinestring":
+			v = strings.ReplaceAll(v, "\"", "\\\"")
+			v = strings.ReplaceAll(v, "\n", "\\n\" \\\n\"")
+			v = strings.ReplaceAll(v, "\r", "")
+			f.WriteString("#define " + k.Name + " \"" + v + "\"\n")
+		default:
+			return errors.New("Unsupported config value type: " + k.Type)
+		}
+	}
+	return nil
+}

archetype/page.go

@@ -6,7 +6,6 @@ import (
 
 type Page struct {
 	Title   string
-	Slug    string
 	Content string
 	Edited  time.Time
 }

lfo/middleware.go

@@ -36,3 +36,32 @@ func EnsurePageData(next http.Handler, adapter core.Adapter) http.Handler {
 
 	return http.HandlerFunc(handlerFunc)
 }
+
+func SanitizeFormMap(next http.Handler) http.Handler {
+	handlerFunc := func(w http.ResponseWriter, req *http.Request) {
+		delete(req.PostForm, "csrfToken")
+		next.ServeHTTP(w, req)
+	}
+
+	return http.HandlerFunc(handlerFunc)
+}
+
+func FormMapToAdapterConfig(next http.Handler, adapter core.Adapter) http.Handler {
+	handlerFunc := func(w http.ResponseWriter, req *http.Request) {
+		cfg := make(map[core.ConfigOption]string)
+		for k, arr := range req.PostForm {
+			v := strings.Join(arr, "")
+			optNameAndType := strings.Split(k, ":")
+			optName := optNameAndType[0]
+			optType := optNameAndType[1]
+			cfg[core.ConfigOption{
+				Name: optName,
+				Type: optType,
+			}] = v
+		}
+		*req = *req.WithContext(context.WithValue(req.Context(), "config", cfg))
+		next.ServeHTTP(w, req)
+	}
+
+	return http.HandlerFunc(handlerFunc)
+}

nirvash.go

@@ -27,14 +27,18 @@ func main() {
 
 	cfg.Adapter.Init(cfg)
 
+	pathConcat := filepath.Join
+
 	rtr := &router.Router{
 		StaticPaths: map[string]string{
-			"/static": cfg.AssetRoot,
+			"/static": filepath.Join(cfg.AssetRoot, "static"),
 		},
 	}
 
+	templateRoot := pathConcat(cfg.AssetRoot, "templates")
+
 	rtr.Get("/login", renderer.Template(
-		"templates/login.html"))
+		pathConcat(templateRoot, "login.html")))
 
 	rtr.Post("/login", middleware.Authorize("/", udb, "/login?tryagain=1"))
 
@@ -45,9 +49,9 @@ func main() {
 		middleware.Protected(
 			shell.WithAdapter(
 				renderer.Template(
-					"templates/cms_list.html",
+					pathConcat(templateRoot, "cms_list.html"),
-					"templates/header.html",
+					pathConcat(templateRoot, "header.html"),
-					"templates/footer.html"),
+					pathConcat(templateRoot, "footer.html")),
 				cfg.Adapter),
 			http.MethodGet,
 			udb,
@@ -59,9 +63,9 @@ func main() {
 			middleware.Protected(
 				shell.WithAdapter(
 					renderer.Template(
-						"templates/cms_edit.html",
+						pathConcat(templateRoot, "cms_edit.html"),
-						"templates/header.html",
+						pathConcat(templateRoot, "header.html"),
-						"templates/footer.html"),
+						pathConcat(templateRoot, "footer.html")),
 					cfg.Adapter),
 				http.MethodGet,
 				udb,
@@ -74,9 +78,9 @@ func main() {
 				shell.WithAdapter(
 					shell.EnsurePageData(
 						renderer.Template(
-							"templates/cms_save.html",
+							pathConcat(templateRoot, "cms_save.html"),
-							"templates/header.html",
+							pathConcat(templateRoot, "header.html"),
-							"templates/footer.html"),
+							pathConcat(templateRoot, "footer.html")),
 						cfg.Adapter),
 					cfg.Adapter),
 				http.MethodGet,
@@ -91,9 +95,9 @@ func main() {
 			middleware.Protected(
 				shell.WithAdapter(
 					renderer.Template(
-						"templates/cms_new.html",
+						pathConcat(templateRoot, "cms_new.html"),
-						"templates/header.html",
+						pathConcat(templateRoot, "header.html"),
-						"templates/footer.html"),
+						pathConcat(templateRoot, "footer.html")),
 					cfg.Adapter),
 				http.MethodGet,
 				udb,
@@ -106,9 +110,9 @@ func main() {
 				shell.WithAdapter(
 					shell.EnsurePageData(
 						renderer.Template(
-							"templates/cms_create.html",
+							pathConcat(templateRoot, "cms_create.html"),
-							"templates/header.html",
+							pathConcat(templateRoot, "header.html"),
-							"templates/footer.html"),
+							pathConcat(templateRoot, "footer.html")),
 						cfg.Adapter),
 					cfg.Adapter),
 				http.MethodGet,
@@ -123,9 +127,9 @@ func main() {
 			middleware.Protected(
 				shell.WithAdapter(
 					renderer.Template(
-						"templates/build.html",
+						pathConcat(templateRoot, "build.html"),
-						"templates/header.html",
+						pathConcat(templateRoot, "header.html"),
-						"templates/footer.html"),
+						pathConcat(templateRoot, "footer.html")),
 					cfg.Adapter),
 				http.MethodGet,
 				udb,
@@ -135,12 +139,13 @@ func main() {
 		`/build-run`,
 		middleware.Defend(
 			middleware.Protected(
+				shell.SanitizeFormMap(
 					shell.WithAdapter(
 						renderer.Template(
-						"templates/build_run.html",
+							pathConcat(templateRoot, "build_run.html"),
-						"templates/header.html",
+							pathConcat(templateRoot, "header.html"),
-						"templates/footer.html"),
+							pathConcat(templateRoot, "footer.html")),
-					cfg.Adapter),
+						cfg.Adapter)),
 				http.MethodGet,
 				udb,
 				"/login"),
@@ -153,14 +158,48 @@ func main() {
 			middleware.Protected(
 				shell.WithAdapter(
 					renderer.Template(
-						"templates/delete.html",
+						pathConcat(templateRoot, "delete.html"),
-						"templates/header.html",
+						pathConcat(templateRoot, "header.html"),
-						"templates/footer.html"),
+						pathConcat(templateRoot, "footer.html")),
 					cfg.Adapter),
 				http.MethodGet,
 				udb,
 				"/login"),
 			udb,
 			"/"))
+
+	rtr.Get(
+		`/config`,
+		middleware.Fortify(
+			middleware.Protected(
+				shell.WithAdapter(
+					renderer.Template(
+						pathConcat(templateRoot, "config.html"),
+						pathConcat(templateRoot, "header.html"),
+						pathConcat(templateRoot, "footer.html")),
+					cfg.Adapter),
+				http.MethodGet,
+				udb,
+				"/login")))
+
+	rtr.Post(
+		`/config-set`,
+		middleware.Defend(
+			middleware.Protected(
+				shell.SanitizeFormMap(
+					shell.FormMapToAdapterConfig(
+						shell.WithAdapter(
+							renderer.Template(
+								pathConcat(templateRoot, "config_set.html"),
+								pathConcat(templateRoot, "header.html"),
+								pathConcat(templateRoot, "footer.html")),
+							cfg.Adapter),
+						cfg.Adapter)),
+				http.MethodGet,
+				udb,
+				"/login"),
+			udb,
+			"/"))
+
 	http.ListenAndServe(":8080", rtr)
 }

static/style.css

@@ -1,7 +1,7 @@
 body {
   padding: 0;
   margin: 0;
-  font-family: sans;
+  font-family: sans-serif;
   font-size: 16px;
   height: 100vh;
   background: black;
@@ -37,7 +37,18 @@ body {
   color: lightgray;
 }
 
-.login form input {
+.login label {
+  padding: 0;
+  margin: 0;
+  height: 0;
+  width: 0;
+  font-size: 0;
+  display: inline;
+  position: absolute;
+}
+
+
+.login form input, .login form input:-internal-autofill-selected {
   display: block;
   margin: 1em;
   margin-left: auto;
@@ -52,6 +63,7 @@ body {
 .login form input[type="text"], login form input[type="password"] {
   transition: border 1s;
   outline: none;
+  margin-bottom: -17px;
 }
 
 .login form input:focus {
@@ -61,6 +73,7 @@ body {
 
 
 .login form input[type="submit"] {
+  margin-top: -17px;
   text-transform: uppercase;
   transition: background 1s, color 1s;
 }
@@ -155,7 +168,9 @@ h2 {
   top: 3em;
 }
 
-.page-list, form.editor, form.build, span.adapter-error, span.adapter-success, .danger-zone {
+.page-list, form.editor, form.build, form.configurator, span.adapter-error, span.adapter-success, .danger-zone {
+  display: block;
+  overflow-x: hidden;
   width: 80%;
   max-width: 500px;
   background: rgba(0,0,0,0.8);
@@ -166,13 +181,17 @@ h2 {
   overflow-y: auto;
 }
 
-form.editor label, form.build label {
+span.adapter-error {
+  border-bottom: 2px solid crimson;
+}
+
+form.editor label, form.build label, .danger-zone label, form.configurator label {
   font-size: 80%;
   color: lightgray;
   text-transform: uppercase;
 }
 
-form.editor input, form.build input, form.editor textarea {
+form.editor input, form.build input, form.editor textarea, form.configurator input, form.configurator textarea, .danger-zone input[type="submit"] {
   display: block;
   margin: 0;
   margin-top: 0.2em;
@@ -185,24 +204,42 @@ form.editor input, form.build input, form.editor textarea {
   outline: none;
 }
 
-form.editor input.title-input {
+form.editor input[type="text"], form.configurator input[type="text"], form.configurator input[type="number"] {
   margin: 0;
   width: 100%;
+
+}
+
+form.editor input.title-input {
   font-size: 150%;
 }
 
+form input:focus, form textarea:focus {
+  border: 2px solid cyan;
+}
+
 form.editor, .danger-zone {
   max-width: 80em;
 }
 
 form.editor textarea {
   margin: 0;
-  width: 80em;
+  width: 100%;
   font-size: 16px;
   height: 25em;
 }
 
-form.editor input[type="submit"], form.build input[type="submit"] {
+form.configurator textarea {
+  marign: 0;
+  width: 100%;
+  height: 5em;
+}
+
+form.configurator input, form.configurator textarea {
+  font-size: 125%;
+}
+
+form.editor input[type="submit"], form.build input[type="submit"], .danger-zone input[type="submit"], form.configurator input[type="submit"] {
   margin-left: auto;
   margin-right: 0;
   font-size: 150%;
@@ -210,7 +247,7 @@ form.editor input[type="submit"], form.build input[type="submit"] {
   transition: background 1s, color 1s;
 }
 
-form.editor input[type="submit"]:hover {
+form.editor input[type="submit"]:hover,form.build input[type="submit"]:hover, .danger-zone input[type="submit"]:hover, form.configurator input[type="submit"]:hover {
   background: lightgray;
   color: black;
 }

templates/config.html

@@ -0,0 +1,25 @@
+{{ $config := ((.Context).Value "adapter").GetConfig }}
+{{ $csrfToken := (.Context).Value "csrfToken" }}
+
+{{ template "header" . }}
+
+<h2>Configuration</h2>
+
+<form class="configurator" method="POST" action="/config-set">
+<input hidden type="text" name="csrfToken" value="{{$csrfToken}}"/>
+  {{ range $opt, $val := $config }}
+    {{ if eq ($opt).Type "int" }}
+        <label>{{($opt).Name}} <input type="number" step="1" name="{{($opt).Name}}:{{($opt).Type}}" value="{{$val}}"/></label><br/>
+    {{ else if eq ($opt).Type "float" }}
+        <label>{{($opt).Name}} <input type="number" step="0.00000001" name="{{($opt).Name}}:{{($opt).Type}}" value="{{$val}}"/></label><br/>
+    {{ else if eq ($opt).Type "string" }}
+        <label>{{($opt).Name}} <input type="text" name="{{($opt).Name}}:{{($opt).Type}}" value="{{$val}}"/></label><br/>
+    {{ else if eq ($opt).Type "multilinestring" }}
+        <label>{{($opt).Name}} <textarea name="{{($opt).Name}}:{{($opt).Type}}">{{$val}}</textarea></label><br/>
+    {{ end}}
+   
+  {{ end }}
+<input type="submit" value="Save"/>
+</form>
+
+{{ template "footer" . }}

templates/config_set.html

@@ -0,0 +1,14 @@
+{{ $config := (.Context).Value "config" }}
+{{ $cfgError := ((.Context).Value "adapter").SetConfig $config }}
+
+{{ template "header" . }}
+
+{{ if $cfgError }}
+  <h2>Configuration Error</h2>
+  <span class="adapter-error">{{($cfgError).Error}}</span>
+{{ else }}
+  <h2>Configuration Saved</h2>
+  <span class="adapter-success">The adapter configuration has been saved</span>
+{{ end }}
+
+{{ template "footer" . }}

templates/login.html

@@ -17,8 +17,10 @@
     <span class="error">Incorrect credentials; please try again.</span>
     {{ end }}
     <form action='/login' method='post'>
-      <input type="text" name="user" placeholder="user">
+      <label for="user-input">Username</label>
-      <input type="password" name="password" placeholder="password">
+      <input type="text" id="user-input" name="user" placeholder="user"><br/>
+      <label for="password-input">Password</label>
+      <input type="password" id="password-input" name="password" placeholder="password"><br/>
       <input type="submit" value="Login">
     </form>
     </div>