Some improvements

bunnycdn.go

@@ -5,14 +5,14 @@ import (
 )
 
 func Purge(url string) {
-	accessKey, err := GetBunnyCDNKey()
-	if err != nil || len(accessKey) == 0 {
+	if len(BunnyCdnKey) == 0 {
+		// BunnyCdn deactivated
 		return
 	}
 	client := &http.Client{}
 	req, _ := http.NewRequest("POST", "https://bunnycdn.com/api/purge?url="+url, nil)
 	req.Header.Add("Content-Type", "application/json")
 	req.Header.Add("Accept", "application/json")
-	req.Header.Add("AccessKey", accessKey)
+	req.Header.Add("AccessKey", BunnyCdnKey)
 	_, _ = client.Do(req)
 }

config.go

@@ -2,10 +2,52 @@ package main
 
 import (
 	"errors"
+	"log"
 	"os"
+	"strings"
 )
 
-func GetGiteaEndpoint() (string, error) {
+var (
+	BlogUrl               string
+	GiteaEndpoint         string
+	GiteaToken            string
+	BunnyCdnKey           string
+	IgnoredWebmentionUrls []string
+)
+
+func init() {
+	// Blog URL (required)
+	blogUrl, err := blogUrl()
+	if err != nil {
+		log.Fatal(err)
+	}
+	BlogUrl = blogUrl
+	// Gitea (required)
+	giteaEndpoint, err := giteaEndpoint()
+	if err != nil {
+		log.Fatal(err)
+	}
+	GiteaEndpoint = giteaEndpoint
+	giteaToken, err := giteaToken()
+	if err != nil {
+		log.Fatal(err)
+	}
+	GiteaToken = giteaToken
+	// BunnyCDN (optional)
+	bunnyCdnKey, err := bunnyCdnKey()
+	if err != nil {
+		log.Println(err)
+	}
+	BunnyCdnKey = bunnyCdnKey
+	// Ignored Webmention URLs (optional)
+	ignoredWebmentionUrls, err := ignoredWebmentionUrls()
+	if err != nil {
+		log.Println(err)
+	}
+	IgnoredWebmentionUrls = ignoredWebmentionUrls
+}
+
+func giteaEndpoint() (string, error) {
 	giteaEndpoint := os.Getenv("GITEA_ENDPOINT")
 	if len(giteaEndpoint) == 0 || giteaEndpoint == "" {
 		return "", errors.New("GITEA_ENDPOINT not specified")
@@ -13,7 +55,7 @@ func GetGiteaEndpoint() (string, error) {
 	return giteaEndpoint, nil
 }
 
-func GetGiteaToken() (string, error) {
+func giteaToken() (string, error) {
 	giteaToken := os.Getenv("GITEA_TOKEN")
 	if len(giteaToken) == 0 || giteaToken == "" {
 		return "", errors.New("GITEA_TOKEN not specified")
@@ -21,7 +63,7 @@ func GetGiteaToken() (string, error) {
 	return giteaToken, nil
 }
 
-func GetBlogURL() (string, error) {
+func blogUrl() (string, error) {
 	blogURL := os.Getenv("BLOG_URL")
 	if len(blogURL) == 0 || blogURL == "" {
 		return "", errors.New("BLOG_URL not specified")
@@ -29,11 +71,18 @@ func GetBlogURL() (string, error) {
 	return blogURL, nil
 }
 
-
-func GetBunnyCDNKey() (string, error) {
+func bunnyCdnKey() (string, error) {
 	bunnyCDNKey := os.Getenv("BUNNY_CDN_KEY")
 	if len(bunnyCDNKey) == 0 || bunnyCDNKey == "" {
-		return "", errors.New("BUNNY_CDN_KEY not specified")
+		return "", errors.New("BUNNY_CDN_KEY not specified, BunnyCDN features are deactivated")
 	}
 	return bunnyCDNKey, nil
 }
+
+func ignoredWebmentionUrls() ([]string, error) {
+	webmentionIgnored := os.Getenv("WEBMENTION_IGNORED")
+	if len(webmentionIgnored) == 0 {
+		return nil, errors.New("WEBMENTION_IGNORED not set, no URLs are ignored on Webmention sending")
+	}
+	return strings.Split(webmentionIgnored, ","), nil
+}

entry.go

@@ -103,6 +103,9 @@ func createEntryFromValueMap(values map[string][]string) (*Entry, error) {
 }
 
 func computeExtraSettings(entry *Entry) error {
+	now := time.Now()
+	// Set date
+	entry.date = now.Format(time.RFC3339)
 	// Find settings hidden in content
 	var filteredContent bytes.Buffer
 	contentScanner := bufio.NewScanner(strings.NewReader(entry.content))
@@ -140,30 +143,25 @@ func computeExtraSettings(entry *Entry) error {
 		}
 	}
 	entry.content = filteredContent.String()
-	now := time.Now()
 	// Compute slug if empty
 	if len(entry.slug) == 0 || entry.slug == "" {
 		random := generateRandomString(now, 5)
 		entry.slug = fmt.Sprintf("%v-%02d-%02d-%v", now.Year(), int(now.Month()), now.Day(), random)
 	}
 	// Compute filename and location
-	blogURL, err := GetBlogURL()
-	if err != nil {
-		return err
-	}
 	if len(entry.section) < 1 {
 		entry.section = "micro"
 	}
 	entry.section = strings.ToLower(entry.section)
 	if entry.section == "posts" {
 		entry.filename = "content/" + entry.section + "/" + entry.slug + ".md"
-		entry.location = blogURL + entry.section + "/" + entry.slug
+		entry.location = BlogUrl + entry.section + "/" + entry.slug
 	} else if entry.section == "thoughts" || entry.section == "links" || entry.section == "micro" {
 		entry.filename = fmt.Sprintf("content/%v/%02d/%02d/%v.md", entry.section, now.Year(), int(now.Month()), entry.slug)
-		entry.location = fmt.Sprintf("%v%v/%02d/%02d/%v", blogURL, entry.section, now.Year(), int(now.Month()), entry.slug)
+		entry.location = fmt.Sprintf("%v%v/%02d/%02d/%v", BlogUrl, entry.section, now.Year(), int(now.Month()), entry.slug)
 	} else {
 		entry.filename = "content/" + entry.section + "/" + entry.slug + ".md"
-		entry.location = blogURL + entry.section + "/" + entry.slug
+		entry.location = BlogUrl + entry.section + "/" + entry.slug
 	}
 	return nil
 }
@@ -192,11 +190,10 @@ func WriteEntry(entry *Entry) (location string, err error) {
 }
 
 func analyzeURL(url string) (filePath string, section string, slug string, err error) {
-	blogUrl, err := GetBlogURL()
-	if err != nil || !strings.HasPrefix(url, blogUrl) {
+	if !strings.HasPrefix(url, BlogUrl) {
 		return
 	}
-	path := strings.TrimSuffix(strings.TrimPrefix(url, blogUrl), "/")
+	path := strings.TrimSuffix(strings.TrimPrefix(url, BlogUrl), "/")
 	pathParts := strings.Split(path, "/")
 	filePath = "content/" + path + ".md"
 	section = pathParts[0]

gitea.go

@@ -11,14 +11,6 @@ import (
 )
 
 func CreateFile(path string, file string, name string) error {
-	giteaEndpoint, err := GetGiteaEndpoint()
-	if err != nil {
-		return err
-	}
-	giteaToken, err := GetGiteaToken()
-	if err != nil {
-		return err
-	}
 	message := map[string]interface{}{
 		"message": name,
 		"content": base64.StdEncoding.EncodeToString([]byte(file)),
@@ -28,7 +20,7 @@ func CreateFile(path string, file string, name string) error {
 		return errors.New("failed to marshal json before committing")
 	}
 	// TODO: handle file updating
-	resp, err := http.Post(giteaEndpoint+url.QueryEscape(path)+"?access_token="+giteaToken, "application/json", bytes.NewBuffer(bytesRepresentation))
+	resp, err := http.Post(GiteaEndpoint+url.QueryEscape(path)+"?access_token="+GiteaToken, "application/json", bytes.NewBuffer(bytesRepresentation))
 	if err != nil || resp.StatusCode != 201 {
 		return errors.New("failed to create file in repo")
 	}
@@ -36,15 +28,7 @@ func CreateFile(path string, file string, name string) error {
 }
 
 func ReadFile(path string) (fileContent string, err error) {
-	giteaEndpoint, err := GetGiteaEndpoint()
-	if err != nil {
-		return
-	}
-	giteaToken, err := GetGiteaToken()
-	if err != nil {
-		return
-	}
-	resp, err := http.Get(giteaEndpoint + url.QueryEscape(path) + "?access_token=" + giteaToken)
+	resp, err := http.Get(GiteaEndpoint + url.QueryEscape(path) + "?access_token=" + GiteaToken)
 	if err != nil || resp.StatusCode != 200 {
 		err = errors.New("failed to read file in repo")
 		return

main.go

@@ -4,6 +4,7 @@ import (
 	"log"
 	"net/http"
 	"strconv"
+	"strings"
 	"time"
 )
 
@@ -91,5 +92,7 @@ func main() {
 	http.HandleFunc("/", handleMicroPub)
 	log.Println("Starting micropub server...")
 	log.Println("Current time: " + time.Now().Format(time.RFC3339))
+	log.Println("Blog URL: " + BlogUrl)
+	log.Println("Ignored URLs for Webmention: " + strings.Join(IgnoredWebmentionUrls, ", "))
 	log.Fatal(http.ListenAndServe(":5555", nil))
 }

post.go

@@ -5,7 +5,6 @@ import (
 	"errors"
 	"gopkg.in/yaml.v2"
 	"strings"
-	"time"
 )
 
 type Frontmatter struct {
@@ -36,7 +35,7 @@ func writeFrontMatter(entry *Entry) (frontmatter string, err error) {
 	var buff bytes.Buffer
 	writeFrontmatter := &Frontmatter{
 		Title:       entry.title,
-		Date:        time.Now().Format(time.RFC3339),
+		Date:        entry.date,
 		Lastmod:     entry.lastmod,
 		Tags:        entry.tags,
 		ExternalURL: entry.link,

query.go

@@ -26,14 +26,10 @@ type Properties struct {
 }
 
 func QueryURL(url string, limit int) ([]byte, error) {
-	blogURL, err := GetBlogURL()
-	if err != nil {
-		return nil, err
-	}
 	if len(url) == 0 {
-		url = blogURL
+		url = BlogUrl
 	}
-	if url == blogURL {
+	if url == BlogUrl {
 		allPosts, err := allPosts(url)
 		if err != nil {
 			return nil, err

validation.go

@@ -58,11 +58,7 @@ func checkAccess(token string) (bool, error) {
 		return false, errors.New("Error parsing the response into json for checking token access " + err.Error())
 	}
 	// verify results of the response
-	blogURL, err := GetBlogURL()
-	if err != nil {
-		return false, err
-	}
-	if indieAuthRes.Me != blogURL {
+	if indieAuthRes.Me != BlogUrl {
 		return false, errors.New("me does not match")
 	}
 	scopes := strings.Fields(indieAuthRes.Scope)

webmention.go

@@ -12,11 +12,8 @@ func SendWebmentions(url string) {
 	if err != nil {
 		return
 	}
-	for _, link := range dl {
-		blogUrl, err := GetBlogURL()
-		if err != nil || strings.HasPrefix(link, blogUrl) {
-			continue
-		}
+	// Send Webmentions
+	for _, link := range filterLinks(dl) {
 		endpoint, err := client.DiscoverEndpoint(link)
 		if err != nil || len(endpoint) < 1 {
 			continue
@@ -29,3 +26,20 @@ func SendWebmentions(url string) {
 		log.Println("Sent webmention to " + link)
 	}
 }
+
+func filterLinks(links []string) []string {
+	var filteredLinks []string
+LINKFILTER:
+	for _, link := range links {
+		if strings.HasPrefix(link, BlogUrl) {
+			continue
+		}
+		for _, ignoredURL := range IgnoredWebmentionUrls {
+			if strings.HasPrefix(link, ignoredURL) {
+				continue LINKFILTER
+			}
+		}
+		filteredLinks = append(filteredLinks, link)
+	}
+	return filteredLinks
+}