More pooled buffers and don't AP announce replies

activityPub.go

@@ -49,7 +49,9 @@ func (a *goBlog) initActivityPub() error {
 		a.apDelete(p)
 	})
 	a.pUndeleteHooks = append(a.pUndeleteHooks, func(p *post) {
-		a.apUndelete(p)
+		if p.isPublishedSectionPost() {
+			a.apUndelete(p)
+		}
 	})
 	// Prepare webfinger
 	a.webfingerResources = map[string]*configBlog{}
@@ -185,7 +187,7 @@ func (a *goBlog) apHandleInbox(w http.ResponseWriter, r *http.Request) {
 					// May be a mention; find links to blog and save them as webmentions
 					if links, err := allLinksFromHTMLString(content, baseUrl); err == nil {
 						for _, link := range links {
-							if strings.HasPrefix(link, blogIri) {
+							if strings.HasPrefix(link, a.cfg.Server.PublicAddress) {
 								_ = a.createWebmention(baseUrl, link)
 							}
 						}
@@ -313,11 +315,6 @@ func (a *goBlog) apPost(p *post) {
 		"type":      "Create",
 		"object":    n,
 	})
-	if n.InReplyTo != "" {
-		// Is reply, so announce it
-		time.Sleep(30 * time.Second)
-		a.apAnnounce(p)
-	}
 }
 
 func (a *goBlog) apUpdate(p *post) {
@@ -331,17 +328,6 @@ func (a *goBlog) apUpdate(p *post) {
 	})
 }
 
-func (a *goBlog) apAnnounce(p *post) {
-	a.apSendToAllFollowers(p.Blog, map[string]interface{}{
-		"@context":  []string{asContext},
-		"actor":     a.apIri(a.cfg.Blogs[p.Blog]),
-		"id":        a.fullPostURL(p) + "#announce",
-		"published": a.toASNote(p).Published,
-		"type":      "Announce",
-		"object":    a.fullPostURL(p),
-	})
-}
-
 func (a *goBlog) apDelete(p *post) {
 	a.apSendToAllFollowers(p.Blog, map[string]interface{}{
 		"@context": []string{asContext},
@@ -450,17 +436,16 @@ func (a *goBlog) loadActivityPubPrivateKey() error {
 		}
 	}
 	// Generate and cache key
-	key, err := rsa.GenerateKey(rand.Reader, 2048)
+	var err error
+	a.apPrivateKey, err = rsa.GenerateKey(rand.Reader, 2048)
 	if err != nil {
 		return err
 	}
-	encodedKey := x509.MarshalPKCS1PrivateKey(key)
+	return a.db.cachePersistently(
-	pemEncoded := pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: encodedKey})
+		"activitypub_key",
-	err = a.db.cachePersistently("activitypub_key", pemEncoded)
+		pem.EncodeToMemory(&pem.Block{
-	if err != nil {
+			Type:  "PRIVATE KEY",
-		return err
+			Bytes: x509.MarshalPKCS1PrivateKey(a.apPrivateKey),
-	}
+		}),
-	a.apPrivateKey = key
+	)
-	// Return key
-	return nil
 }

activityPubSending.go

@@ -6,11 +6,14 @@ import (
 	"encoding/gob"
 	"encoding/json"
 	"fmt"
+	"io"
 	"log"
 	"net/http"
 	"net/url"
+	"sync"
 	"time"
 
+	"go.goblog.app/app/pkgs/bufferpool"
 	"go.goblog.app/app/pkgs/contenttype"
 )
 
@@ -22,40 +25,49 @@ type apRequest struct {
 
 func (a *goBlog) initAPSendQueue() {
 	go func() {
-		for {
+		done := false
+		var wg sync.WaitGroup
+		wg.Add(1)
+		a.shutdown.Add(func() {
+			done = true
+			wg.Wait()
+			log.Println("Stopped AP send queue")
+		})
+		for !done {
 			qi, err := a.db.peekQueue("ap")
 			if err != nil {
 				log.Println("activitypub send queue:", err.Error())
 				continue
-			} else if qi != nil {
+			}
-				var r apRequest
+			if qi == nil {
-				err = gob.NewDecoder(bytes.NewReader(qi.content)).Decode(&r)
+				// No item in the queue, wait a moment
-				if err != nil {
+				time.Sleep(5 * time.Second)
-					log.Println("activitypub send queue:", err.Error())
+				continue
-					_ = a.db.dequeue(qi)
+			}
+			var r apRequest
+			if err = gob.NewDecoder(bytes.NewReader(qi.content)).Decode(&r); err != nil {
+				log.Println("activitypub send queue:", err.Error())
+				_ = a.db.dequeue(qi)
+				continue
+			}
+			if err = a.apSendSigned(r.BlogIri, r.To, r.Activity); err != nil {
+				if r.Try++; r.Try < 20 {
+					// Try it again
+					buf := bufferpool.Get()
+					_ = r.encode(buf)
+					qi.content = buf.Bytes()
+					_ = a.db.reschedule(qi, time.Duration(r.Try)*10*time.Minute)
+					bufferpool.Put(buf)
 					continue
 				}
-				if err := a.apSendSigned(r.BlogIri, r.To, r.Activity); err != nil {
+				log.Println("AP request failed for the 20th time:", r.To)
-					if r.Try++; r.Try < 20 {
+				_ = a.db.apRemoveInbox(r.To)
-						// Try it again
+			}
-						qi.content, _ = r.encode()
+			if err = a.db.dequeue(qi); err != nil {
-						_ = a.db.reschedule(qi, time.Duration(r.Try)*10*time.Minute)
+				log.Println("activitypub send queue:", err.Error())
-						continue
-					} else {
-						log.Printf("Request to %s failed for the 20th time", r.To)
-						log.Println()
-						_ = a.db.apRemoveInbox(r.To)
-					}
-				}
-				err = a.db.dequeue(qi)
-				if err != nil {
-					log.Println("activitypub send queue:", err.Error())
-				}
-			} else {
-				// No item in the queue, wait a moment
-				time.Sleep(15 * time.Second)
 			}
 		}
+		wg.Done()
 	}()
 }
 
@@ -64,24 +76,20 @@ func (db *database) apQueueSendSigned(blogIri, to string, activity interface{})
 	if err != nil {
 		return err
 	}
-	b, err := (&apRequest{
+	buf := bufferpool.Get()
+	defer bufferpool.Put(buf)
+	if err := (&apRequest{
 		BlogIri:  blogIri,
 		To:       to,
 		Activity: body,
-	}).encode()
+	}).encode(buf); err != nil {
-	if err != nil {
 		return err
 	}
-	return db.enqueue("ap", b, time.Now())
+	return db.enqueue("ap", buf.Bytes(), time.Now())
 }
 
-func (r *apRequest) encode() ([]byte, error) {
+func (r *apRequest) encode(w io.Writer) error {
-	var buf bytes.Buffer
+	return gob.NewEncoder(w).Encode(r)
-	err := gob.NewEncoder(&buf).Encode(r)
-	if err != nil {
-		return nil, err
-	}
-	return buf.Bytes(), nil
 }
 
 func (a *goBlog) apSendSigned(blogIri, to string, activity []byte) error {
@@ -89,9 +97,7 @@ func (a *goBlog) apSendSigned(blogIri, to string, activity []byte) error {
 	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
 	defer cancel()
 	// Create request
-	var requestBuffer bytes.Buffer
+	r, err := http.NewRequestWithContext(ctx, http.MethodPost, to, bytes.NewReader(activity))
-	requestBuffer.Write(activity)
-	r, err := http.NewRequestWithContext(ctx, http.MethodPost, to, &requestBuffer)
 	if err != nil {
 		return err
 	}
@@ -117,7 +123,7 @@ func (a *goBlog) apSendSigned(blogIri, to string, activity []byte) error {
 	if err != nil {
 		return err
 	}
-	defer resp.Body.Close()
+	_ = resp.Body.Close()
 	if !apRequestIsSuccess(resp.StatusCode) {
 		return fmt.Errorf("signed request failed with status %d", resp.StatusCode)
 	}

blogroll.go

@@ -3,7 +3,6 @@ package main
 import (
 	"bytes"
 	"context"
-	"io"
 	"log"
 	"net/http"
 	"sort"
@@ -67,7 +66,7 @@ func (a *goBlog) serveBlogrollExport(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	w.Header().Set(contentType, contenttype.XMLUTF8)
-	_, _ = io.Copy(w, opmlBuf)
+	_, _ = opmlBuf.WriteTo(w)
 }
 
 func (a *goBlog) getBlogrollOutlines(blog string) ([]*opml.Outline, error) {
@@ -108,13 +107,14 @@ func (a *goBlog) getBlogrollOutlines(blog string) ([]*opml.Outline, error) {
 }
 
 func (db *database) cacheOutlines(blog string, outlines []*opml.Outline) {
-	var opmlBuffer bytes.Buffer
+	opmlBuffer := bufferpool.Get()
-	_ = opml.Render(&opmlBuffer, &opml.OPML{
+	_ = opml.Render(opmlBuffer, &opml.OPML{
 		Version:     "2.0",
 		DateCreated: time.Now().UTC(),
 		Outlines:    outlines,
 	})
 	_ = db.cachePersistently("blogroll_"+blog, opmlBuffer.Bytes())
+	bufferpool.Put(opmlBuffer)
 }
 
 func (db *database) loadOutlineCache(blog string) []*opml.Outline {

blogstats.go

@@ -5,6 +5,8 @@ import (
 	"database/sql"
 	"encoding/gob"
 	"net/http"
+
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 const (
@@ -195,9 +197,10 @@ func (db *database) getBlogStats(blog string) (data *blogStatsData, err error) {
 }
 
 func (db *database) cacheBlogStats(blog string, stats *blogStatsData) {
-	var buf bytes.Buffer
+	buf := bufferpool.Get()
-	_ = gob.NewEncoder(&buf).Encode(stats)
+	_ = gob.NewEncoder(buf).Encode(stats)
 	_ = db.cachePersistently("blogstats_"+blog, buf.Bytes())
+	bufferpool.Put(buf)
 }
 
 func (db *database) loadBlogStatsCache(blog string) (stats *blogStatsData) {

contact.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"bytes"
 	"fmt"
 	"log"
 	"net/http"
@@ -10,6 +9,7 @@ import (
 
 	"github.com/emersion/go-sasl"
 	"github.com/emersion/go-smtp"
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 const defaultContactPath = "/contact"
@@ -30,7 +30,8 @@ func (a *goBlog) sendContactSubmission(w http.ResponseWriter, r *http.Request) {
 	// Get blog
 	_, bc := a.getBlog(r)
 	// Get form values and build message
-	var message bytes.Buffer
+	message := bufferpool.Get()
+	defer bufferpool.Put(message)
 	// Message
 	formMessage := cleanHTMLText(r.FormValue("message"))
 	if formMessage == "" {
@@ -39,20 +40,20 @@ func (a *goBlog) sendContactSubmission(w http.ResponseWriter, r *http.Request) {
 	}
 	// Name
 	if formName := cleanHTMLText(r.FormValue("name")); formName != "" {
-		_, _ = fmt.Fprintf(&message, "Name: %s\n", formName)
+		_, _ = fmt.Fprintf(message, "Name: %s\n", formName)
 	}
 	// Email
 	formEmail := cleanHTMLText(r.FormValue("email"))
 	if formEmail != "" {
-		_, _ = fmt.Fprintf(&message, "Email: %s\n", formEmail)
+		_, _ = fmt.Fprintf(message, "Email: %s\n", formEmail)
 	}
 	// Website
 	if formWebsite := cleanHTMLText(r.FormValue("website")); formWebsite != "" {
-		_, _ = fmt.Fprintf(&message, "Website: %s\n", formWebsite)
+		_, _ = fmt.Fprintf(message, "Website: %s\n", formWebsite)
 	}
 	// Add line break if message is not empty
 	if message.Len() > 0 {
-		_, _ = fmt.Fprintf(&message, "\n")
+		_, _ = fmt.Fprintf(message, "\n")
 	}
 	// Add message text to message
 	_, _ = message.WriteString(formMessage)
@@ -76,24 +77,25 @@ func (a *goBlog) sendContactEmail(cc *configContact, body, replyTo string) error
 		return fmt.Errorf("email not send as config is missing")
 	}
 	// Build email
-	var email bytes.Buffer
+	email := bufferpool.Get()
-	_, _ = fmt.Fprintf(&email, "To: %s\n", cc.EmailTo)
+	defer bufferpool.Put(email)
+	_, _ = fmt.Fprintf(email, "To: %s\n", cc.EmailTo)
 	if replyTo != "" {
-		_, _ = fmt.Fprintf(&email, "Reply-To: %s\n", replyTo)
+		_, _ = fmt.Fprintf(email, "Reply-To: %s\n", replyTo)
 	}
-	_, _ = fmt.Fprintf(&email, "Date: %s\n", time.Now().UTC().Format(time.RFC1123Z))
+	_, _ = fmt.Fprintf(email, "Date: %s\n", time.Now().UTC().Format(time.RFC1123Z))
-	_, _ = fmt.Fprintf(&email, "From: %s\n", cc.EmailFrom)
+	_, _ = fmt.Fprintf(email, "From: %s\n", cc.EmailFrom)
 	subject := cc.EmailSubject
 	if subject == "" {
 		subject = "New contact message"
 	}
-	_, _ = fmt.Fprintf(&email, "Subject: %s\n\n", subject)
+	_, _ = fmt.Fprintf(email, "Subject: %s\n\n", subject)
-	_, _ = fmt.Fprintf(&email, "%s\n", body)
+	_, _ = fmt.Fprintf(email, "%s\n", body)
 	// Send email using SMTP
 	auth := sasl.NewPlainClient("", cc.SMTPUser, cc.SMTPPassword)
 	port := cc.SMTPPort
 	if port == 0 {
 		port = 587
 	}
-	return smtp.SendMail(cc.SMTPHost+":"+strconv.Itoa(port), auth, cc.EmailFrom, []string{cc.EmailTo}, bytes.NewReader(email.Bytes()))
+	return smtp.SendMail(cc.SMTPHost+":"+strconv.Itoa(port), auth, cc.EmailFrom, []string{cc.EmailTo}, email)
 }

databaseHooks.go

@@ -5,10 +5,10 @@ import (
 	"database/sql"
 	"fmt"
 	"log"
-	"strings"
 	"time"
 
 	"github.com/spf13/cast"
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 const dbHooksBegin contextKey = "begin"
@@ -25,7 +25,7 @@ func (db *database) dbAfter(ctx context.Context, query string, args ...interface
 		return
 	}
 	dur := time.Since(ctx.Value(dbHooksBegin).(time.Time))
-	var logBuilder strings.Builder
+	logBuilder := bufferpool.Get()
 	logBuilder.WriteString("\nQuery: ")
 	logBuilder.WriteString(`"`)
 	logBuilder.WriteString(query)
@@ -52,6 +52,7 @@ func (db *database) dbAfter(ctx context.Context, query string, args ...interface
 	logBuilder.WriteString("\nDuration: ")
 	logBuilder.WriteString(dur.String())
 	log.Println(logBuilder.String())
+	bufferpool.Put(logBuilder)
 }
 
 func argToString(arg interface{}) string {

editor.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 	"time"
 
+	"go.goblog.app/app/pkgs/bufferpool"
 	"go.goblog.app/app/pkgs/contenttype"
 	"gopkg.in/yaml.v3"
 	ws "nhooyr.io/websocket"
@@ -198,7 +199,8 @@ func (a *goBlog) editorPostTemplate(blog string, bc *configBlog) string {
 
 func (a *goBlog) editorPostDesc(bc *configBlog) string {
 	t := a.ts.GetTemplateStringVariant(bc.Lang, "editorpostdesc")
-	var paramBuilder, statusBuilder strings.Builder
+	paramBuilder, statusBuilder := bufferpool.Get(), bufferpool.Get()
+	defer bufferpool.Put(paramBuilder, statusBuilder)
 	for i, param := range []string{
 		"published",
 		"updated",

go.mod

@@ -32,7 +32,7 @@ require (
 	github.com/jlelse/feeds v1.2.1-0.20210704161900-189f94254ad4
 	github.com/justinas/alice v1.2.0
 	github.com/kaorimatz/go-opml v0.0.0-20210201121027-bc8e2852d7f9
-	github.com/klauspost/compress v1.14.3
+	github.com/klauspost/compress v1.14.4
 	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible
 	github.com/lopezator/migrator v0.3.0
 	github.com/mattn/go-sqlite3 v1.14.11

go.sum

@@ -275,8 +275,8 @@ github.com/kaorimatz/go-opml v0.0.0-20210201121027-bc8e2852d7f9 h1:+9REu9CK9D1AQ
 github.com/kaorimatz/go-opml v0.0.0-20210201121027-bc8e2852d7f9/go.mod h1:OvY5ZBrAC9kOvM2PZs9Lw0BH+5K7tjrT6T7SFhn27OA=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
-github.com/klauspost/compress v1.14.3 h1:DQv1WP+iS4srNjibdnHtqu8JNWCDMluj5NzPnFJsnvk=
+github.com/klauspost/compress v1.14.4 h1:eijASRJcobkVtSt81Olfh7JX43osYLwy5krOJo6YEu4=
-github.com/klauspost/compress v1.14.3/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
+github.com/klauspost/compress v1.14.4/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
 github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=

hooks.go

@@ -1,11 +1,12 @@
 package main
 
 import (
-	"bytes"
 	"html/template"
 	"log"
 	"os/exec"
 	"time"
+
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 func (a *goBlog) preStartHooks() {
@@ -91,13 +92,13 @@ func (cfg *configHooks) executeTemplateCommand(hookType string, tmpl string, dat
 		log.Println("Failed to parse cmd template:", err.Error())
 		return
 	}
-	var cmdBuf bytes.Buffer
+	cmdBuf := bufferpool.Get()
-	if err = cmdTmpl.Execute(&cmdBuf, data); err != nil {
+	defer bufferpool.Put(cmdBuf)
+	if err = cmdTmpl.Execute(cmdBuf, data); err != nil {
 		log.Println("Failed to execute cmd template:", err.Error())
 		return
 	}
-	cmd := cmdBuf.String()
+	executeHookCommand(hookType, cfg.Shell, cmdBuf.String())
-	executeHookCommand(hookType, cfg.Shell, cmd)
 }
 
 type hourlyHookFunc func()

httpMiddlewares.go

@@ -4,6 +4,8 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 func noIndexHeader(next http.Handler) http.Handler {
@@ -37,7 +39,7 @@ func headAsGetHandler(next http.Handler) http.Handler {
 
 func (a *goBlog) securityHeaders(next http.Handler) http.Handler {
 	// Build CSP domains list
-	var cspBuilder strings.Builder
+	cspBuilder := bufferpool.Get()
 	if mp := a.cfg.Micropub.MediaStorage; mp != nil && mp.MediaURL != "" {
 		if u, err := url.Parse(mp.MediaURL); err == nil {
 			cspBuilder.WriteByte(' ')
@@ -49,6 +51,7 @@ func (a *goBlog) securityHeaders(next http.Handler) http.Handler {
 		cspBuilder.WriteString(strings.Join(a.cfg.Server.CSPDomains, " "))
 	}
 	cspDomains := cspBuilder.String()
+	bufferpool.Put(cspBuilder)
 	// Return handler
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Strict-Transport-Security", "max-age=31536000;")

mediaCompression.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"bytes"
 	"context"
 	"crypto/sha256"
 	"errors"
@@ -62,7 +61,8 @@ func (sp *shortpixel) compress(url string, upload mediaStorageSaveFunc, hc *http
 		return "", nil
 	}
 	// Compress
-	var imgBuffer bytes.Buffer
+	imgBuffer := bufferpool.Get()
+	defer bufferpool.Put(imgBuffer)
 	err := requests.
 		URL("https://api.shortpixel.com/v2/reducer-sync.php").
 		Client(hc).
@@ -78,14 +78,14 @@ func (sp *shortpixel) compress(url string, upload mediaStorageSaveFunc, hc *http
 			"keep_exif":      0,
 			"url":            url,
 		}).
-		ToBytesBuffer(&imgBuffer).
+		ToBytesBuffer(imgBuffer).
 		Fetch(context.Background())
 	if err != nil {
 		log.Println("Shortpixel error:", err.Error())
 		return "", errors.New("failed to compress image using shortpixel")
 	}
 	// Upload compressed file
-	return uploadCompressedFile(fileExtension, &imgBuffer, upload)
+	return uploadCompressedFile(fileExtension, imgBuffer, upload)
 }
 
 type tinify struct {
@@ -123,7 +123,8 @@ func (tf *tinify) compress(url string, upload mediaStorageSaveFunc, hc *http.Cli
 		return "", tinifyErr
 	}
 	// Resize and download image
-	var imgBuffer bytes.Buffer
+	imgBuffer := bufferpool.Get()
+	defer bufferpool.Put(imgBuffer)
 	err = requests.
 		URL(compressedLocation).
 		Client(hc).
@@ -136,14 +137,14 @@ func (tf *tinify) compress(url string, upload mediaStorageSaveFunc, hc *http.Cli
 				"height": defaultCompressionHeight,
 			},
 		}).
-		ToBytesBuffer(&imgBuffer).
+		ToBytesBuffer(imgBuffer).
 		Fetch(context.Background())
 	if err != nil {
 		log.Println("Tinify error:", err.Error())
 		return "", tinifyErr
 	}
 	// Upload compressed file
-	return uploadCompressedFile(fileExtension, &imgBuffer, upload)
+	return uploadCompressedFile(fileExtension, imgBuffer, upload)
 }
 
 type cloudflare struct{}
@@ -156,18 +157,19 @@ func (cf *cloudflare) compress(url string, upload mediaStorageSaveFunc, hc *http
 	// Force jpeg
 	fileExtension := "jpeg"
 	// Compress
-	var imgBuffer bytes.Buffer
+	imgBuffer := bufferpool.Get()
+	defer bufferpool.Put(imgBuffer)
 	err := requests.
 		URL(fmt.Sprintf("https://www.cloudflare.com/cdn-cgi/image/f=jpeg,q=75,metadata=none,fit=scale-down,w=%d,h=%d/%s", defaultCompressionWidth, defaultCompressionHeight, url)).
 		Client(hc).
-		ToBytesBuffer(&imgBuffer).
+		ToBytesBuffer(imgBuffer).
 		Fetch(context.Background())
 	if err != nil {
 		log.Println("Cloudflare error:", err.Error())
 		return "", errors.New("failed to compress image using cloudflare")
 	}
 	// Upload compressed file
-	return uploadCompressedFile(fileExtension, &imgBuffer, upload)
+	return uploadCompressedFile(fileExtension, imgBuffer, upload)
 }
 
 func uploadCompressedFile(fileExtension string, r io.Reader, upload mediaStorageSaveFunc) (string, error) {

posts.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/go-chi/chi/v5"
 	"github.com/vcraescu/go-paginator"
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 var errPostNotFound = errors.New("post not found")
@@ -213,24 +214,24 @@ func (a *goBlog) serveDate(w http.ResponseWriter, r *http.Request) {
 		a.serve404(w, r)
 		return
 	}
-	var title, dPath strings.Builder
+	title, dPath := bufferpool.Get(), bufferpool.Get()
 	if year != 0 {
-		_, _ = fmt.Fprintf(&title, "%0004d", year)
+		_, _ = fmt.Fprintf(title, "%0004d", year)
-		_, _ = fmt.Fprintf(&dPath, "%0004d", year)
+		_, _ = fmt.Fprintf(dPath, "%0004d", year)
 	} else {
 		_, _ = title.WriteString("XXXX")
 		_, _ = dPath.WriteString("x")
 	}
 	if month != 0 {
-		_, _ = fmt.Fprintf(&title, "-%02d", month)
+		_, _ = fmt.Fprintf(title, "-%02d", month)
-		_, _ = fmt.Fprintf(&dPath, "/%02d", month)
+		_, _ = fmt.Fprintf(dPath, "/%02d", month)
 	} else if day != 0 {
 		_, _ = title.WriteString("-XX")
 		_, _ = dPath.WriteString("/x")
 	}
 	if day != 0 {
-		_, _ = fmt.Fprintf(&title, "-%02d", day)
+		_, _ = fmt.Fprintf(title, "-%02d", day)
-		_, _ = fmt.Fprintf(&dPath, "/%02d", day)
+		_, _ = fmt.Fprintf(dPath, "/%02d", day)
 	}
 	_, bc := a.getBlog(r)
 	a.serveIndex(w, r.WithContext(context.WithValue(r.Context(), indexConfigKey, &indexConfig{
@@ -240,6 +241,7 @@ func (a *goBlog) serveDate(w http.ResponseWriter, r *http.Request) {
 		day:   day,
 		title: title.String(),
 	})))
+	bufferpool.Put(title, dPath)
 }
 
 type indexConfig struct {

postsDb.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/araddon/dateparse"
 	"github.com/thoas/go-funk"
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 func (a *goBlog) checkPost(p *post) (err error) {
@@ -630,7 +631,7 @@ group by name;
 
 func (db *database) usesOfMediaFile(names ...string) (counts []int, err error) {
 	sqlArgs := []interface{}{dbNoCache}
-	var nameValues strings.Builder
+	nameValues := bufferpool.Get()
 	for i, n := range names {
 		if i > 0 {
 			nameValues.WriteString(", ")
@@ -642,6 +643,7 @@ func (db *database) usesOfMediaFile(names ...string) (counts []int, err error) {
 		sqlArgs = append(sqlArgs, sql.Named(named, n))
 	}
 	rows, err := db.query(fmt.Sprintf(mediaUseSql, nameValues.String()), sqlArgs...)
+	bufferpool.Put(nameValues)
 	if err != nil {
 		return nil, err
 	}

tts.go

@@ -17,6 +17,7 @@ import (
 	"sync"
 
 	"github.com/carlmjohnson/requests"
+	"go.goblog.app/app/pkgs/bufferpool"
 	"go.goblog.app/app/pkgs/mp3merge"
 )
 
@@ -109,7 +110,8 @@ func (a *goBlog) createPostTTSAudio(p *post) error {
 	}
 
 	// Merge partsBuffers into final buffer
-	final := new(bytes.Buffer)
+	final := bufferpool.Get()
+	defer bufferpool.Put(final)
 	hash := sha256.New()
 	if err := mp3merge.MergeMP3(io.MultiWriter(final, hash), partsBuffers...); err != nil {
 		return err

ui_test.go

@@ -10,6 +10,7 @@ import (
 	"github.com/PuerkitoBio/goquery"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"go.goblog.app/app/pkgs/bufferpool"
 )
 
 var _ io.Writer = &htmlBuilder{}
@@ -30,16 +31,17 @@ func Test_renderPostTax(t *testing.T) {
 		},
 	}
 
-	buf := &bytes.Buffer{}
+	buf := bufferpool.Get()
+	defer bufferpool.Put(buf)
+
 	hb := newHtmlBuilder(buf)
 
 	app.renderPostTax(hb, p, app.cfg.Blogs["default"])
-	res := buf.String()
 
-	_, err := goquery.NewDocumentFromReader(strings.NewReader(res))
+	_, err := goquery.NewDocumentFromReader(strings.NewReader(buf.String()))
 	require.NoError(t, err)
 
-	assert.Equal(t, "<p><strong>Tags</strong>: <a class=\"p-category\" rel=\"tag\" href=\"/tags/bar\">Bar</a>, <a class=\"p-category\" rel=\"tag\" href=\"/tags/foo\">Foo</a></p>", res)
+	assert.Equal(t, "<p><strong>Tags</strong>: <a class=\"p-category\" rel=\"tag\" href=\"/tags/bar\">Bar</a>, <a class=\"p-category\" rel=\"tag\" href=\"/tags/foo\">Foo</a></p>", buf.String())
 }
 
 func Test_renderOldContentWarning(t *testing.T) {

webmentionVerification.go

@@ -11,42 +11,51 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/PuerkitoBio/goquery"
 	"github.com/thoas/go-funk"
+	"go.goblog.app/app/pkgs/bufferpool"
 	"go.goblog.app/app/pkgs/contenttype"
 	"willnorris.com/go/microformats"
 )
 
 func (a *goBlog) initWebmentionQueue() {
 	go func() {
-		for {
+		done := false
+		var wg sync.WaitGroup
+		wg.Add(1)
+		a.shutdown.Add(func() {
+			done = true
+			wg.Wait()
+			log.Println("Stopped webmention queue")
+		})
+		for !done {
 			qi, err := a.db.peekQueue("wm")
 			if err != nil {
 				log.Println("webmention queue:", err.Error())
 				continue
-			} else if qi != nil {
+			}
-				var m mention
+			if qi == nil {
-				err = gob.NewDecoder(bytes.NewReader(qi.content)).Decode(&m)
-				if err != nil {
-					log.Println("webmention queue:", err.Error())
-					_ = a.db.dequeue(qi)
-					continue
-				}
-				err = a.verifyMention(&m)
-				if err != nil {
-					log.Println(fmt.Sprintf("Failed to verify webmention from %s to %s: %s", m.Source, m.Target, err.Error()))
-				}
-				err = a.db.dequeue(qi)
-				if err != nil {
-					log.Println("webmention queue:", err.Error())
-				}
-			} else {
 				// No item in the queue, wait a moment
-				time.Sleep(15 * time.Second)
+				time.Sleep(5 * time.Second)
+				continue
+			}
+			var m mention
+			if err = gob.NewDecoder(bytes.NewReader(qi.content)).Decode(&m); err != nil {
+				log.Println("webmention queue:", err.Error())
+				_ = a.db.dequeue(qi)
+				continue
+			}
+			if err = a.verifyMention(&m); err != nil {
+				log.Println(fmt.Sprintf("Failed to verify webmention from %s to %s: %s", m.Source, m.Target, err.Error()))
+			}
+			if err = a.db.dequeue(qi); err != nil {
+				log.Println("webmention queue:", err.Error())
 			}
 		}
+		wg.Done()
 	}()
 }
 
@@ -54,8 +63,9 @@ func (a *goBlog) queueMention(m *mention) error {
 	if wm := a.cfg.Webmention; wm != nil && wm.DisableReceiving {
 		return errors.New("webmention receiving disabled")
 	}
-	var buf bytes.Buffer
+	buf := bufferpool.Get()
-	if err := gob.NewEncoder(&buf).Encode(m); err != nil {
+	defer bufferpool.Put(buf)
+	if err := gob.NewEncoder(buf).Encode(m); err != nil {
 		return err
 	}
 	return a.db.enqueue("wm", buf.Bytes(), time.Now())
@@ -165,12 +175,13 @@ func (a *goBlog) verifyMention(m *mention) error {
 }
 
 func (a *goBlog) verifyReader(m *mention, body io.Reader) error {
-	var linksBuffer, gqBuffer, mfBuffer bytes.Buffer
+	linksBuffer, gqBuffer, mfBuffer := bufferpool.Get(), bufferpool.Get(), bufferpool.Get()
-	if _, err := io.Copy(io.MultiWriter(&linksBuffer, &gqBuffer, &mfBuffer), body); err != nil {
+	defer bufferpool.Put(linksBuffer, gqBuffer, mfBuffer)
+	if _, err := io.Copy(io.MultiWriter(linksBuffer, gqBuffer, mfBuffer), body); err != nil {
 		return err
 	}
 	// Check if source mentions target
-	links, err := allLinksFromHTML(&linksBuffer, defaultIfEmpty(m.NewSource, m.Source))
+	links, err := allLinksFromHTML(linksBuffer, defaultIfEmpty(m.NewSource, m.Source))
 	if err != nil {
 		return err
 	}
@@ -210,13 +221,13 @@ func (a *goBlog) verifyReader(m *mention, body io.Reader) error {
 	m.Author = ""
 	m.Url = ""
 	m.hasUrl = false
-	m.fillFromData(microformats.Parse(&mfBuffer, sourceURL))
+	m.fillFromData(microformats.Parse(mfBuffer, sourceURL))
 	if m.Url == "" {
 		m.Url = m.Source
 	}
 	// Set title when content is empty as well
 	if m.Title == "" && m.Content == "" {
-		doc, err := goquery.NewDocumentFromReader(&gqBuffer)
+		doc, err := goquery.NewDocumentFromReader(gqBuffer)
 		if err != nil {
 			return err
 		}