Add posibility to send mails when new protocoll is created

.gitignore

@@ -13,4 +13,6 @@
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
-*.toml
+*.toml
+*.txt
+.vscode/

README.md

@@ -31,3 +31,4 @@ It asumes that the seilfahrt binary is in /usr/local/bin and the config file is
 Copy the seilfahrt.service into the /etc/systemd/system folder
 Then reload the services with sudo systemctl daemon-reload
 Then enable seilfahrt with sudo systemctl enable seilfahrt.service
+Then start seilfahrt with sudo systemctl start seilfahrt.service

cmd/seilfahrt/main.go

@@ -17,6 +17,7 @@ import (
 	"cgt.name/pkg/go-mwclient"
 	"github.com/Nerdbergev/seilfahrt/internal/htmltemplates"
 	"github.com/pelletier/go-toml"
+	gomail "gopkg.in/mail.v2"
 )
 
 type Config struct {
@@ -26,13 +27,25 @@ type Config struct {
 	ConsumerSecret string
 	AccessToken    string
 	AccessSecret   string
+	SendMail       bool
+	MailAdress     string
+	MailPassword   string
+	MailServer     string
+	MailPort       int
+	MailRecipient  string
+	MailSubject    string
+	MailTemplate   string
 }
 
 type ResponseData struct {
 	Title   string
 	Message string
 }
 
+type MailContent struct {
+	Link string
+}
+
 var hedgedocPad string
 var configPath string
 var port int
@@ -114,15 +127,15 @@ func createPageTitlefromDate(date string) (string, error) {
 	return result, nil
 }
 
-func createPage(filepath string, conf Config) error {
+func createPage(filepath string, conf Config) (string, error) {
 	file, err := os.OpenFile(filepath, os.O_RDWR, 0600)
 	if err != nil {
-		return errors.New("Error opening file: " + err.Error())
+		return "", errors.New("Error opening file: " + err.Error())
 	}
 	defer file.Close()
 	rawBytes, err := io.ReadAll(file)
 	if err != nil {
-		return errors.New("Error reading file: " + err.Error())
+		return "", errors.New("Error reading file: " + err.Error())
 	}
 	var plenumname string
 	var plenumsnummer string
@@ -137,7 +150,7 @@ func createPage(filepath string, conf Config) error {
 		if strings.Contains(line, "| Datum") {
 			plenumname, err = createPageTitlefromDate(lines[i+1])
 			if err != nil {
-				return errors.New("Error creating Pagetitle from Date:" + err.Error())
+				return "", errors.New("Error creating Pagetitle from Date:" + err.Error())
 			}
 			foundcount = foundcount + 1
 		}
@@ -146,7 +159,7 @@ func createPage(filepath string, conf Config) error {
 		}
 	}
 	if plenumname == "" || plenumsnummer == "" {
-		return errors.New("error finding plenumname or plenumsnummer")
+		return "", errors.New("error finding plenumname or plenumsnummer")
 	}
 	fmt.Println("Plenumname: ", plenumname)
 	fmt.Println("Creating Plenumspage with Name:", plenumname, "and Number:", plenumsnummer)
@@ -155,12 +168,12 @@ func createPage(filepath string, conf Config) error {
 	// and your HTTP User-Agent. Try to use a meaningful User-Agent.
 	w, err := mwclient.New(conf.WikiURL, "seilfahrt")
 	if err != nil {
-		return errors.New("Error creating client:" + err.Error())
+		return "", errors.New("Error creating client:" + err.Error())
 	}
 
 	err = w.OAuth(conf.ConsumerToken, conf.ConsumerSecret, conf.AccessToken, conf.AccessSecret)
 	if err != nil {
-		return errors.New("Error while oauth:" + err.Error())
+		return "", errors.New("Error while oauth:" + err.Error())
 	}
 
 	pageCreateParameters := map[string]string{
@@ -171,11 +184,12 @@ func createPage(filepath string, conf Config) error {
 
 	err = w.Edit(pageCreateParameters)
 	if err != nil {
-		return errors.New("Error creating page:" + err.Error())
+		return "", errors.New("Error creating page:" + err.Error())
 	}
 
 	fmt.Println("Page created")
-	fmt.Println("https://wiki.nerdberg.de/" + plenumname)
+	pagename := "https://wiki.nerdberg.de/" + plenumname
+	fmt.Println(pagename)
 
 	fmt.Println("Updating Plenetarium page")
 	linkline := fmt.Sprintf("* [[%v]] #%v\n", plenumname, plenumsnummer)
@@ -187,11 +201,51 @@ func createPage(filepath string, conf Config) error {
 
 	err = w.Edit(pageEditParameters)
 	if err != nil {
-		return errors.New("Error updating page:" + err.Error())
+		return "", errors.New("Error updating page:" + err.Error())
 	}
 
 	fmt.Println("Page updated")
 
+	return pagename, nil
+}
+
+func SendMail(pageName string, conf Config) error {
+	mailcontent := MailContent{
+		Link: pageName,
+	}
+
+	tmpl, err := template.ParseFiles(conf.MailTemplate)
+	if err != nil {
+		return errors.New("Error parsing template:" + err.Error())
+	}
+	var body strings.Builder
+	err = tmpl.Execute(&body, mailcontent)
+	if err != nil {
+		return errors.New("Error executing template:" + err.Error())
+	}
+
+	m := gomail.NewMessage()
+
+	// Set E-Mail sender
+	m.SetHeader("From", conf.MailAdress)
+
+	// Set E-Mail receivers
+	m.SetHeader("To", conf.MailRecipient)
+
+	// Set E-Mail subject
+	m.SetHeader("Subject", conf.MailSubject)
+
+	// Set E-Mail body. You can set plain text or html with text/html
+	m.SetBody("text/plain", body.String())
+
+	// Settings for SMTP server
+	d := gomail.NewDialer(conf.MailServer, 587, conf.MailAdress, conf.MailPassword)
+
+	// Now send E-Mail
+	if err := d.DialAndSend(m); err != nil {
+		return errors.New("Error sending mail:" + err.Error())
+	}
+
 	return nil
 }
 
@@ -223,12 +277,20 @@ func submitHandler(w http.ResponseWriter, r *http.Request) {
 			returnError(w, "Error converting: "+err.Error())
 			return
 		}
-		err = createPage(wikiFile, conf)
+		pagename, err := createPage(wikiFile, conf)
 		if err != nil {
 			returnError(w, "Error creating wikipage: "+err.Error())
 			return
 		}
 
+		if conf.SendMail {
+			err := SendMail(pagename, conf)
+			if err != nil {
+				returnError(w, "Error sending mail: "+err.Error())
+				return
+			}
+		}
+
 		data = ResponseData{
 			Title:   "Success",
 			Message: "Page created",
@@ -274,7 +336,7 @@ func main() {
 		if err != nil {
 			log.Fatal("Error converting: ", err)
 		}
-		err = createPage(wikiFile, conf)
+		_, err = createPage(wikiFile, conf)
 		if err != nil {
 			log.Fatal("Error creating wikipage: ", err)
 		}

config/config.toml.example

@@ -3,4 +3,12 @@ ConsumerToken = ""
 ConsumerSecret = ""
 AccessToken = ""
 AccessSecret = ""
-PlenenPageId = "28"
+PlenenPageId = "28"
+SendMail = true
+MailAdress = ""
+MailPassword = ""
+MailServer = ""
+MailPort = 465
+MailRecipient = "[email protected]"
+MailSubject = "New Protokoll"
+MailTemplate = "/etc/seilfahrt/mail-template.txt"

config/mail-template.txt.example

@@ -0,0 +1,6 @@
+Hallo liebe Wesen,
+
+dies ist eine automatisiserte Nachricht um euch zu informieren das es ein neues Plenums Protokoll gibt:
+{{.Link}}
+
+Gruß euer Vorstand

go.mod

@@ -5,9 +5,11 @@ go 1.21
 require (
 	cgt.name/pkg/go-mwclient v1.3.0
 	github.com/pelletier/go-toml v1.9.5
+	gopkg.in/mail.v2 v2.3.1
 )
 
 require (
 	github.com/antonholmquist/jason v1.0.0 // indirect
 	github.com/mrjones/oauth v0.0.0-20190623134757-126b35219450 // indirect
+	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 )

go.sum

@@ -6,3 +6,7 @@ github.com/mrjones/oauth v0.0.0-20190623134757-126b35219450 h1:j2kD3MT1z4PXCiUll
 github.com/mrjones/oauth v0.0.0-20190623134757-126b35219450/go.mod h1:skjdDftzkFALcuGzYSklqYd8gvat6F1gZJ4YPVbkZpM=
 github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
 github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
+gopkg.in/mail.v2 v2.3.1 h1:WYFn/oANrAGP2C0dcV6/pbkPzv8yGzqTjPmTeO7qoXk=
+gopkg.in/mail.v2 v2.3.1/go.mod h1:htwXN1Qh09vZJ1NVKxQqHPBaCBbzKhp5GzuJEA4VJWw=

init/seilfahrt.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Create Wiki pages from plenum protocolls
+
+[Service]
+User=root
+WorkingDirectory=/etc/seilfahrt
+ExecStart=/usr/local/bin/seilfahrt -c config.toml -port 80 -web
+# optional items below
+Restart=always
+RestartSec=3
+
+[Install]
+WantedBy=network.target