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Author SHA1 Message Date
2447f50bac First implementation of web based editor to HTML pipeline 2024-02-18 10:07:49 +01:00
27 changed files with 51 additions and 1261 deletions

2
.gitignore vendored
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@ -21,5 +21,3 @@
# Go workspace file
go.work
# Custom stuff
tmp/

18
cmd/articles/markdown.go Normal file
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@ -0,0 +1,18 @@
package articles
import (
"bytes"
"fmt"
"github.com/yuin/goldmark"
)
func ConvertToHTML(markdown string) (string, error) {
var buf bytes.Buffer
if err := goldmark.Convert([]byte(markdown), &buf); err != nil {
return "", fmt.Errorf("error: cmd/articles/markdown.go ConvertToHTML goldmark.Convert(): %v", err)
}
return buf.String(), nil
}

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@ -1,198 +0,0 @@
package data
import (
"encoding/gob"
"fmt"
"os"
"sync"
"time"
"github.com/google/uuid"
)
type Article struct {
Title string
Author string
Created time.Time
Desc string
Content string
Tags []string
UUID uuid.UUID
AuthorID int64
}
// TODO: setCh
type ArticleList struct {
addCh chan *Article
delCh chan uuid.UUID
getCh chan []Article
retCh chan *Article
articles []*Article
wg sync.WaitGroup
}
// TODO: setCh
type TagList struct {
addCh chan string
getCh chan []string
tags []string
wg sync.WaitGroup
}
func initArticleList() *ArticleList {
return &ArticleList{
addCh: make(chan *Article),
delCh: make(chan uuid.UUID),
getCh: make(chan []Article),
retCh: make(chan *Article),
}
}
func initTagList() *TagList {
return &TagList{
addCh: make(chan string),
getCh: make(chan []string),
}
}
func (al *ArticleList) start() {
al.wg.Done()
for {
select {
case article := <-al.addCh:
al.articles = append(al.articles, article)
case uuid := <-al.delCh:
for i, article := range al.articles {
if article.UUID == uuid {
al.articles = append(al.articles[:i], al.articles[i+1:]...)
al.retCh <- article
}
}
case al.getCh <- func() []Article {
var list []Article
for _, article := range al.articles {
list = append(list, *article)
}
return list
}():
}
}
}
func (tl *TagList) start() {
tl.wg.Done()
for {
select {
case tag := <-tl.addCh:
tl.tags = append(tl.tags, tag)
case tl.getCh <- tl.tags:
}
}
}
func NewArticleList() *ArticleList {
list := initArticleList()
list.articles = make([]*Article, 0)
list.wg.Add(1)
go list.start()
list.wg.Wait()
return list
}
func (al *ArticleList) Add(a *Article) {
al.addCh <- a
}
func (al *ArticleList) Release(uuid uuid.UUID) (*Article, bool) {
al.delCh <- uuid
article := <-al.retCh
if article == nil {
return nil, false
}
return article, true
}
func (al *ArticleList) Get() []Article {
return <-al.getCh
}
func (al *ArticleList) Save(filename string) error {
file, err := os.Create(filename)
if err != nil {
return fmt.Errorf("error creating key file: %v", err)
}
defer file.Close()
articles := al.Get()
if err = gob.NewEncoder(file).Encode(articles); err != nil {
return fmt.Errorf("error ecoding key: %v", err)
}
return nil
}
func LoadArticleList(filename string) (*ArticleList, error) {
file, err := os.Open(filename)
if err != nil {
return nil, fmt.Errorf("error opening key file: %v", err)
}
articleList := NewArticleList()
if err = gob.NewDecoder(file).Decode(&articleList.articles); err != nil {
return nil, fmt.Errorf("error decoding key: %v", err)
}
return articleList, nil
}
func NewTagList() *TagList {
list := initTagList()
list.tags = make([]string, 0)
list.wg.Add(1)
go list.start()
list.wg.Wait()
return list
}
func (tl *TagList) Add(tag string) {
tl.addCh <- tag
}
func (tl *TagList) Get() []string {
return <-tl.getCh
}
func (tl *TagList) Save(filename string) error {
file, err := os.Create(filename)
if err != nil {
return fmt.Errorf("error creating key file: %v", err)
}
defer file.Close()
tags := tl.Get()
if err = gob.NewEncoder(file).Encode(tags); err != nil {
return fmt.Errorf("error ecoding key: %v", err)
}
return nil
}
func LoadTagList(filename string) (*TagList, error) {
file, err := os.Open(filename)
if err != nil {
return nil, fmt.Errorf("error opening key file: %v", err)
}
defer file.Close()
tagList := NewTagList()
if err = gob.NewDecoder(file).Decode(&tagList.tags); err != nil {
return nil, fmt.Errorf("error decoding key: %v", err)
}
return tagList, nil
}

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@ -1,140 +0,0 @@
package data
import (
"database/sql"
"fmt"
"github.com/go-sql-driver/mysql"
"golang.org/x/crypto/bcrypt"
)
type DB struct {
*sql.DB
}
func OpenDB(dbName string) (*DB, error) {
var err error
db := DB{DB: &sql.DB{}}
cfg := mysql.NewConfig()
cfg.DBName = dbName
cfg.User, cfg.Passwd, err = getCredentials()
if err != nil {
return nil, fmt.Errorf("error reading user credentials for DB: %v", err)
}
db.DB, err = sql.Open("mysql", cfg.FormatDSN())
if err != nil {
return nil, fmt.Errorf("error opening DB: %v", err)
}
if err = db.Ping(); err != nil {
return nil, fmt.Errorf("error pinging DB: %v", err)
}
return &db, nil
}
func (db *DB) AddUser(user *User, pass string) error {
hashedPass, err := bcrypt.GenerateFromPassword([]byte(pass), bcrypt.DefaultCost)
if err != nil {
return fmt.Errorf("error creating password hash: %v", err)
}
query := `
INSERT INTO users
(username, password, first_name, last_name, role)
VALUES (?, ?, ?, ?, ?)
`
if _, err = db.Exec(query, user.UserName, string(hashedPass), user.FirstName, user.LastName, user.Role); err != nil {
return fmt.Errorf("error inserting user into DB: %v", err)
}
return nil
}
func (db *DB) GetID(userName string) (int64, error) {
var id int64
query := `
SELECT id
FROM users
WHERE username = ?
`
row := db.QueryRow(query, userName)
if err := row.Scan(&id); err != nil {
return 0, fmt.Errorf("user not in DB: %v", err)
}
return id, nil
}
func (db *DB) CheckPassword(id int64, pass string) error {
var queriedPass string
query := `
SELECT password
FROM users
WHERE id = ?
`
row := db.QueryRow(query, id)
if err := row.Scan(&queriedPass); err != nil {
return fmt.Errorf("error reading password from DB: %v", err)
}
if err := bcrypt.CompareHashAndPassword([]byte(queriedPass), []byte(pass)); err != nil {
return fmt.Errorf("incorrect password: %v", err)
}
return nil
}
func (db *DB) ChangePassword(id int64, oldPass, newPass string) error {
if err := db.CheckPassword(id, oldPass); err != nil {
return fmt.Errorf("error checking password: %v", err)
}
newHashedPass, err := bcrypt.GenerateFromPassword([]byte(newPass), bcrypt.DefaultCost)
if err != nil {
return fmt.Errorf("error creating password hash: %v", err)
}
query := `
UPDATE users
SET password = ?
WHERE id = ?
`
if _, err = db.Exec(query, string(newHashedPass), id); err != nil {
return fmt.Errorf("error updating password in DB: %v", err)
}
return nil
}
func (db *DB) CountEntries() (int64, error) {
var count int64
query := `SELECT COUNT(*) FROM users`
row := db.QueryRow(query)
if err := row.Scan(&count); err != nil {
return 0, fmt.Errorf("error counting rows in user DB: %v", err)
}
return count, nil
}
// TODO: No need for ID field in general
func (db *DB) GetUser(id int64) (*User, error) {
user := new(User)
query := `
SELECT id, username, first_name, last_name, role
FROM users
WHERE id = ?
`
row := db.QueryRow(query, id)
if err := row.Scan(&user.ID, &user.UserName, &user.FirstName, &user.LastName, &user.Role); err != nil {
return nil, fmt.Errorf("error reading user information: %v", err)
}
return user, nil
}

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@ -1,52 +0,0 @@
package data
import (
"bufio"
"fmt"
"os"
"strings"
"syscall"
"golang.org/x/term"
)
func getUsername() (string, error) {
user := os.Getenv("DB_USER")
if user == "" {
var err error
fmt.Printf("DB Benutzer: ")
user, err = bufio.NewReader(os.Stdin).ReadString('\n')
if err != nil {
return "", fmt.Errorf("error reading username: %v", err)
}
}
return strings.TrimSpace(user), nil
}
func getPassword() (string, error) {
pass := os.Getenv("DB_PASS")
if pass == "" {
fmt.Printf("DB Passwort: ")
bytePass, err := term.ReadPassword(int(syscall.Stdin))
if err != nil {
return "", fmt.Errorf("error reading password: %v", err)
}
fmt.Println()
pass = strings.TrimSpace(string(bytePass))
}
return pass, nil
}
func getCredentials() (string, string, error) {
user, err := getUsername()
if err != nil {
return "", "", fmt.Errorf("error getting username: %v", err)
}
pass, err := getPassword()
if err != nil {
return "", "", fmt.Errorf("error getting password: %v", err)
}
return user, pass, nil
}

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@ -1,35 +0,0 @@
package data
import (
"bytes"
"fmt"
"github.com/microcosm-cc/bluemonday"
"github.com/yuin/goldmark"
)
func ConvertToHTML(md string) (string, error) {
var buf bytes.Buffer
if err := goldmark.Convert([]byte(md), &buf); err != nil {
return "", fmt.Errorf("error converting markdown to html: %v", err)
}
p := bluemonday.UGCPolicy()
html := p.Sanitize(buf.String())
return html, nil
}
func ConvertToPlain(md string) (string, error) {
var buf bytes.Buffer
if err := goldmark.Convert([]byte(md), &buf); err != nil {
return "", fmt.Errorf("error converting markdown to html: %v", err)
}
p := bluemonday.StrictPolicy()
plain := p.Sanitize(buf.String())
return plain, nil
}

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@ -1,104 +0,0 @@
package data
import (
"encoding/gob"
"fmt"
"os"
"sync"
"git.streifling.com/jason/rss"
)
type Channel struct {
addCh chan *rss.Item
setCh chan rss.Channel
getCh chan rss.Channel
channel rss.Channel
wg sync.WaitGroup
}
func initChannel() *Channel {
return &Channel{
addCh: make(chan *rss.Item),
setCh: make(chan rss.Channel),
getCh: make(chan rss.Channel),
channel: rss.Channel{
Items: make([]*rss.Item, 0),
},
}
}
func (c *Channel) start() {
c.wg.Done()
for {
select {
case item := <-c.addCh:
c.channel.Items = append(c.channel.Items, item)
case c.getCh <- c.channel:
case c.channel = <-c.setCh:
}
}
}
func NewChannel(title, link, desc string) *Channel {
channel := initChannel()
channel.channel = rss.Channel{
Title: title,
Link: link,
Description: desc,
}
channel.wg.Add(1)
go channel.start()
channel.wg.Wait()
return channel
}
func (c *Channel) Get() rss.Channel {
return <-c.getCh
}
func (f *Channel) Set(channel rss.Channel) {
f.setCh <- channel
}
func LoadChannel(filename string) (*Channel, error) {
file, err := os.Open(filename)
if err != nil {
return nil, fmt.Errorf("error opening file %v: %v", filename, err)
}
defer file.Close()
channel := initChannel()
channel.wg.Add(1)
go channel.start()
channel.wg.Wait()
tmpChannel := new(rss.Channel)
if err = gob.NewDecoder(file).Decode(tmpChannel); err != nil {
return nil, fmt.Errorf("error decoding channel from file %v: %v", filename, err)
}
channel.Set(*tmpChannel)
return channel, nil
}
func (c *Channel) Save(filename string) error {
file, err := os.Create(filename)
if err != nil {
return fmt.Errorf("error creating file %v: %v", filename, err)
}
defer file.Close()
channel := c.Get()
if err = gob.NewEncoder(file).Encode(channel); err != nil {
return fmt.Errorf("error encoding file %v: %v", filename, err)
}
return nil
}
func (c *Channel) Add(i *rss.Item) {
c.addCh <- i
}

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@ -1,61 +0,0 @@
package data
import (
"crypto/rand"
"encoding/gob"
"fmt"
"io"
"os"
"github.com/gorilla/sessions"
)
type CookieStore struct {
sessions.CookieStore
}
func NewKey() ([]byte, error) {
key := make([]byte, 32)
if _, err := io.ReadFull(rand.Reader, key); err != nil {
return nil, fmt.Errorf("error generating key: %v", err)
}
return key, nil
}
func SaveKey(key []byte, filename string) error {
file, err := os.Create(filename)
if err != nil {
return fmt.Errorf("error creating key file: %v", err)
}
defer file.Close()
file.Chmod(0600)
if err = gob.NewEncoder(file).Encode(key); err != nil {
return fmt.Errorf("error ecoding key: %v", err)
}
return nil
}
func LoadKey(filename string) ([]byte, error) {
file, err := os.Open(filename)
if err != nil {
return nil, fmt.Errorf("error opening key file: %v", err)
}
key := make([]byte, 32)
if err = gob.NewDecoder(file).Decode(&key); err != nil {
return nil, fmt.Errorf("error decoding key: %v", err)
}
return key, nil
}
func NewCookieStore(key []byte) *CookieStore {
store := sessions.NewCookieStore(key)
store.Options.Secure = true
store.Options.HttpOnly = true
return &CookieStore{*store}
}

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@ -1,16 +0,0 @@
package data
const (
Admin = iota
Editor
Writer
)
type User struct {
UserName string
FirstName string
LastName string
RejectedArticles []*Article
ID int64
Role int
}

23
cmd/handlers/editor.go Normal file
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package handlers
import (
"fmt"
"log"
"net/http"
"streifling.com/jason/cpolis/cmd/articles"
)
func HandleFinishedEdit() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
md := r.PostFormValue("editor-textarea")
html, err := articles.ConvertToHTML(md)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
log.Panicln(err)
}
fmt.Println(html)
}
}

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@ -1,127 +0,0 @@
package ui
import (
"fmt"
"html/template"
"log"
"net/http"
"strconv"
"streifling.com/jason/cpolis/cmd/data"
)
type AddUserData struct {
*data.User
Msg string
}
func inputsEmpty(user *data.User, pass, pass2 string) bool {
return len(user.UserName) == 0 ||
len(user.FirstName) == 0 ||
len(user.LastName) == 0 ||
len(pass) == 0 ||
len(pass2) == 0
}
func checkUserStrings(user *data.User) (string, int, bool) {
userLen := 15
nameLen := 50
if len(user.UserName) > userLen {
return "Benutzername", userLen, false
} else if len(user.FirstName) > nameLen {
return "Vorname", nameLen, false
} else if len(user.LastName) > nameLen {
return "Nachname", nameLen, false
} else {
return "", 0, true
}
}
func CreateUser(w http.ResponseWriter, r *http.Request) {
tmpl, err := template.ParseFiles("web/templates/add-user.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
}
func AddUser(db *data.DB, s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
role, err := strconv.Atoi(r.PostFormValue("role"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
htmlData := AddUserData{
User: &data.User{
UserName: r.PostFormValue("username"),
FirstName: r.PostFormValue("first-name"),
LastName: r.PostFormValue("last-name"),
Role: role,
},
}
pass := r.PostFormValue("password")
pass2 := r.PostFormValue("password2")
if inputsEmpty(htmlData.User, pass, pass2) {
htmlData.Msg = "Alle Felder müssen ausgefüllt werden."
tmpl, err := template.ParseFiles("web/templates/add-user.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
return
}
userString, stringLen, ok := checkUserStrings(htmlData.User)
if !ok {
htmlData.Msg = fmt.Sprint(userString, " ist zu lang. Maximal ",
stringLen, " Zeichen erlaubt.")
tmpl, err := template.ParseFiles("web/templates/add-user.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
return
}
id, _ := db.GetID(htmlData.UserName)
if id != 0 {
htmlData.Msg = fmt.Sprint(htmlData.UserName,
" ist bereits vergeben. Bitte anderen Benutzernamen wählen.")
tmpl, err := template.ParseFiles("web/templates/add-user.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
return
}
if pass != pass2 {
htmlData.Msg = "Die Passwörter stimmen nicht überein."
tmpl, err := template.ParseFiles("web/templates/add-user.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
return
}
num, err := db.CountEntries()
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if num == 0 {
if htmlData.Role != data.Admin {
htmlData.Msg = "Der erste Benutzer muss ein Administrator sein."
htmlData.Role = data.Admin
tmpl, err := template.ParseFiles("web/templates/add-user.html")
tmpl = template.Must(tmpl, err)
tmpl.ExecuteTemplate(w, "page-content", htmlData)
return
}
if err := saveSession(w, r, s, htmlData.User); err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
if err := db.AddUser(htmlData.User, pass); err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
tmpl, err := template.ParseFiles("web/templates/hub.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", 0)
}
}

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@ -1,161 +0,0 @@
package ui
import (
"html/template"
"log"
"net/http"
"time"
"git.streifling.com/jason/rss"
"github.com/google/uuid"
"streifling.com/jason/cpolis/cmd/data"
)
func ShowHub(s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
session, err := s.Get(r, "cookie")
if err != nil {
tmpl, err := template.ParseFiles("web/templates/login.html")
msg := "Session nicht mehr gültig. Bitte erneut anmelden."
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
}
tmpl, err := template.ParseFiles("web/templates/hub.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", session.Values["role"])
}
}
func WriteArticle(tl *data.TagList) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
tmpl, err := template.ParseFiles("web/templates/editor.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", tl.Get())
}
}
func FinishArticle(al *data.ArticleList, s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
article := new(data.Article)
var err error
article.Title, err = data.ConvertToPlain(r.PostFormValue("editor-title"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
article.Desc, err = data.ConvertToPlain(r.PostFormValue("editor-desc"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
article.Content, err = data.ConvertToHTML(r.PostFormValue("editor-text"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
r.ParseForm()
article.Tags = append(article.Tags, r.Form["tags"]...)
session, err := s.Get(r, "cookie")
if err != nil {
tmpl, err := template.ParseFiles("web/templates/login.html")
msg := "Session nicht mehr gültig. Bitte erneut anmelden."
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
}
article.UUID = uuid.New()
article.Author = session.Values["name"].(string)
article.Created = time.Now()
article.AuthorID = session.Values["id"].(int64)
al.Add(article)
al.Save("tmp/unpublished-articles.gob")
tmpl, err := template.ParseFiles("web/templates/hub.html")
tmpl = template.Must(tmpl, err)
tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
}
}
func ShowUnpublishedArticles(al *data.ArticleList) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
tmpl, err := template.ParseFiles("web/templates/unpublished-articles.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", al.Get())
}
}
func ReviewArticle(al *data.ArticleList, s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
uuid, err := uuid.Parse(r.PostFormValue("uuid"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
for _, article := range al.Get() {
if article.UUID == uuid {
tmpl, err := template.ParseFiles("web/templates/to-be-published.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", article)
return
}
}
session, err := s.Get(r, "cookie")
if err != nil {
tmpl, err := template.ParseFiles("web/templates/login.html")
msg := "Session nicht mehr gültig. Bitte erneut anmelden."
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
}
tmpl, err := template.ParseFiles("web/templates/hub.html")
tmpl = template.Must(tmpl, err)
tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
}
}
func PublishArticle(c *data.Channel, al *data.ArticleList, s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
uuid, err := uuid.Parse(r.PostFormValue("uuid"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
article, ok := al.Release(uuid)
if !ok {
// TODO: Warnung anzeigen
// msg = "Alle Felder müssen ausgefüllt werden."
// tmpl, err := template.ParseFiles("web/templates/add-user.html")
// template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
return
}
session, err := s.Get(r, "cookie")
if err != nil {
tmpl, err := template.ParseFiles("web/templates/login.html")
msg := "Session nicht mehr gültig. Bitte erneut anmelden."
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
}
c.Add(&rss.Item{
Title: article.Title,
Author: session.Values["name"].(string),
PubDate: article.Created.Format(time.RFC1123Z),
Description: article.Desc,
Content: &rss.Content{Value: article.Content},
Categories: article.Tags,
})
c.Save("tmp/rss.gob")
tmpl, err := template.ParseFiles("web/templates/hub.html")
tmpl = template.Must(tmpl, err)
tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
}
}

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@ -1,31 +0,0 @@
package ui
import (
"html/template"
"net/http"
"streifling.com/jason/cpolis/cmd/data"
)
func CreateTag(w http.ResponseWriter, r *http.Request) {
tmpl, err := template.ParseFiles("web/templates/add-tag.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
}
func AddTag(tl *data.TagList, s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
tl.Add(r.PostFormValue("tag"))
tl.Save("tmp/tags.gob")
session, err := s.Get(r, "cookie")
if err != nil {
tmpl, err := template.ParseFiles("web/templates/login.html")
msg := "Session nicht mehr gültig. Bitte erneut anmelden."
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
}
tmpl, err := template.ParseFiles("web/templates/hub.html")
tmpl = template.Must(tmpl, err)
tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
}
}

View File

@ -1,28 +0,0 @@
package ui
import (
"html/template"
"log"
"net/http"
"git.streifling.com/jason/rss"
"streifling.com/jason/cpolis/cmd/data"
)
func ShowRSS(c *data.Channel) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
channel := c.Get()
feed := rss.NewFeed()
feed.Channels = append(feed.Channels, &channel)
rss, err := feed.ToXML()
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
files := []string{"web/templates/index.html", "web/templates/feed.rss"}
tmpl, err := template.ParseFiles(files...)
template.Must(tmpl, err).Execute(w, rss)
}
}

View File

@ -1,90 +0,0 @@
package ui
import (
"fmt"
"html/template"
"log"
"net/http"
"streifling.com/jason/cpolis/cmd/data"
)
func saveSession(w http.ResponseWriter, r *http.Request, s *data.CookieStore, u *data.User) error {
session, err := s.Get(r, "cookie")
if err != nil {
return fmt.Errorf("error getting session: %v", err)
}
session.Values["authenticated"] = true
session.Values["id"] = u.ID
session.Values["name"] = u.FirstName + u.LastName
session.Values["role"] = u.Role
if err := session.Save(r, w); err != nil {
return fmt.Errorf("error saving session: %v", err)
}
return nil
}
func HomePage(db *data.DB, s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
numRows, err := db.CountEntries()
if err != nil {
log.Fatalln(err)
}
files := []string{"web/templates/index.html"}
if numRows == 0 {
files = append(files, "web/templates/add-user.html")
tmpl, err := template.ParseFiles(files...)
template.Must(tmpl, err).Execute(w, nil)
} else {
session, _ := s.Get(r, "cookie")
if auth, ok := session.Values["authenticated"].(bool); auth && ok {
files = append(files, "web/templates/hub.html")
tmpl, err := template.ParseFiles(files...)
template.Must(tmpl, err).Execute(w, session.Values["role"])
} else {
files = append(files, "web/templates/login.html")
tmpl, err := template.ParseFiles(files...)
template.Must(tmpl, err).Execute(w, nil)
}
}
}
}
func Login(db *data.DB, s *data.CookieStore) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
userName := r.PostFormValue("username")
password := r.PostFormValue("password")
id, err := db.GetID(userName)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if err := db.CheckPassword(id, password); err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
user, err := db.GetUser(id)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if err := saveSession(w, r, s, user); err != nil {
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
tmpl, err := template.ParseFiles("web/templates/hub.html")
template.Must(tmpl, err).ExecuteTemplate(w, "page-content", user.Role)
}
}

20
go.mod
View File

@ -2,22 +2,4 @@ module streifling.com/jason/cpolis
go 1.22.0
require (
git.streifling.com/jason/rss v0.0.0-20240305164907-524bf9676188
github.com/go-sql-driver/mysql v1.7.1
github.com/google/uuid v1.6.0
github.com/gorilla/feeds v1.1.2
github.com/gorilla/sessions v1.2.2
github.com/microcosm-cc/bluemonday v1.0.26
github.com/yuin/goldmark v1.7.0
golang.org/x/crypto v0.14.0
golang.org/x/term v0.17.0
)
require (
github.com/aymerick/douceur v0.2.0 // indirect
github.com/gorilla/css v1.0.0 // indirect
github.com/gorilla/securecookie v1.1.2 // indirect
golang.org/x/net v0.17.0 // indirect
golang.org/x/sys v0.17.0 // indirect
)
require github.com/yuin/goldmark v1.7.0

40
go.sum
View File

@ -1,42 +1,2 @@
git.streifling.com/jason/rss v0.0.0-20240305152729-9d8cc6464565 h1:/eO9NTksh+9yLz3HiYNR7BJo/iMTxxW5/d9h8I6vR6E=
git.streifling.com/jason/rss v0.0.0-20240305152729-9d8cc6464565/go.mod h1:gpZF0nZbQSstMpyHD9DTAvlQEG7v4pjO5c7aIMWM4Jg=
git.streifling.com/jason/rss v0.0.0-20240305160544-c8551159fe32 h1:G25NZzsD73rOkGYgV2vPUDviB0JXk5qi+dXOwB6J56U=
git.streifling.com/jason/rss v0.0.0-20240305160544-c8551159fe32/go.mod h1:gpZF0nZbQSstMpyHD9DTAvlQEG7v4pjO5c7aIMWM4Jg=
git.streifling.com/jason/rss v0.0.0-20240305160829-6cd08bb65d2a h1:TWQ9gwe7eWjaLUrZ0CJSc+sUUOw3VoGHlR3F8mH6vqs=
git.streifling.com/jason/rss v0.0.0-20240305160829-6cd08bb65d2a/go.mod h1:gpZF0nZbQSstMpyHD9DTAvlQEG7v4pjO5c7aIMWM4Jg=
git.streifling.com/jason/rss v0.0.0-20240305164907-524bf9676188 h1:C8M/j3f+cl5Y7YfGpU/ynb/SC/4tTYMDsyGFt3rswM8=
git.streifling.com/jason/rss v0.0.0-20240305164907-524bf9676188/go.mod h1:gpZF0nZbQSstMpyHD9DTAvlQEG7v4pjO5c7aIMWM4Jg=
github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
github.com/gorilla/feeds v1.1.2 h1:pxzZ5PD3RJdhFH2FsJJ4x6PqMqbgFk1+Vez4XWBW8Iw=
github.com/gorilla/feeds v1.1.2/go.mod h1:WMib8uJP3BbY+X8Szd1rA5Pzhdfh+HCCAYT2z7Fza6Y=
github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
github.com/gorilla/securecookie v1.1.2/go.mod h1:NfCASbcHqRSY+3a8tlWJwsQap2VX5pwzwo4h3eOamfo=
github.com/gorilla/sessions v1.2.2 h1:lqzMYz6bOfvn2WriPUjNByzeXIlVzURcPmgMczkmTjY=
github.com/gorilla/sessions v1.2.2/go.mod h1:ePLdVu+jbEgHH+KWw8I1z2wqd0BAdAQh/8LRvBeoNcQ=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/microcosm-cc/bluemonday v1.0.26 h1:xbqSvqzQMeEHCqMi64VAs4d8uy6Mequs3rQ0k/Khz58=
github.com/microcosm-cc/bluemonday v1.0.26/go.mod h1:JyzOCs9gkyQyjs+6h10UEVSe02CGwkhd72Xdqh78TWs=
github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
github.com/yuin/goldmark v1.7.0 h1:EfOIvIMZIzHdB/R/zVrikYLPPwJlfMcNczJFMs1m6sA=
github.com/yuin/goldmark v1.7.0/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E=
golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.17.0 h1:mkTF7LCd6WGJNL3K1Ad7kwxNfYAW6a8a8QqtMblp/4U=
golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=

71
main.go
View File

@ -1,79 +1,22 @@
package main
import (
"encoding/gob"
"html/template"
"log"
"net/http"
"os"
"streifling.com/jason/cpolis/cmd/data"
"streifling.com/jason/cpolis/cmd/ui"
"streifling.com/jason/cpolis/cmd/handlers"
)
func init() {
gob.Register(data.User{})
}
func main() {
logFile, err := os.OpenFile("tmp/cpolis.log",
os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
log.Fatalln(err)
}
defer logFile.Close()
log.SetOutput(logFile)
db, err := data.OpenDB("cpolis")
if err != nil {
log.Fatalln(err)
}
defer db.Close()
feed, err := data.LoadChannel("tmp/rss.gob")
if err != nil {
log.Println(err)
feed = data.NewChannel("Freimaurer Distrikt Niedersachsen und Sachsen-Anhalt",
"https://distrikt-ni-st.de",
"Freiheit, Gleichheit, Brüderlichkeit, Toleranz und Humanität")
}
key, err := data.LoadKey("tmp/key.gob")
if err != nil {
key, err = data.NewKey()
if err != nil {
log.Fatalln(err)
}
data.SaveKey(key, "tmp/key.gob")
}
store := data.NewCookieStore(key)
articleList, err := data.LoadArticleList("tmp/unpublished-articles.gob")
if err != nil {
articleList = data.NewArticleList()
}
tagList, err := data.LoadTagList("tmp/tags.gob")
if err != nil {
tagList = data.NewTagList()
}
mux := http.NewServeMux()
mux.Handle("/web/static/", http.StripPrefix("/web/static/", http.FileServer(http.Dir("web/static/"))))
mux.HandleFunc("/", ui.HomePage(db, store))
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
template.Must(template.ParseFiles("web/templates/index.html", "web/templates/editor.html")).Execute(w, nil)
})
mux.HandleFunc("GET /create-tag/", ui.CreateTag)
mux.HandleFunc("GET /create-user/", ui.CreateUser)
mux.HandleFunc("GET /hub/", ui.ShowHub(store))
mux.HandleFunc("GET /rss/", ui.ShowRSS(feed))
mux.HandleFunc("GET /unpublished-articles/", ui.ShowUnpublishedArticles(articleList))
mux.HandleFunc("GET /write-article/", ui.WriteArticle(tagList))
mux.HandleFunc("POST /add-tag/", ui.AddTag(tagList, store))
mux.HandleFunc("POST /add-user/", ui.AddUser(db, store))
mux.HandleFunc("POST /finish-article/", ui.FinishArticle(articleList, store))
mux.HandleFunc("POST /login/", ui.Login(db, store))
mux.HandleFunc("POST /review-article/", ui.ReviewArticle(articleList, store))
mux.HandleFunc("POST /publish-article/", ui.PublishArticle(feed, articleList, store))
mux.HandleFunc("POST /finished-edit/", handlers.HandleFinishedEdit())
log.Fatalln(http.ListenAndServe(":8080", mux))
}

BIN
tmp/main Executable file

Binary file not shown.

View File

@ -1,8 +0,0 @@
{{define "page-content"}}
<h2>Neuer Benutzer</h2>
<form>
<input required name="tag" placeholder="Tag" type="text" />
<input type="submit" value="Anlegen" hx-post="/add-tag/" hx-target="#page-content" />
</form>
<button hx-get="/hub/" hx-target="#page-content">Abbrechen</button>
{{end}}

View File

@ -1,28 +0,0 @@
{{define "page-content"}}
<h2>Neuer Benutzer</h2>
<form>
<input required name="username" placeholder="Benutzername" type="text" value="{{.UserName}}" />
<input required name="password" placeholder="Passwort" type="password" />
<input required name="password2" placeholder="Passwort wiederholen" type="password" />
<input required name="first-name" placeholder="Vorname" type="text" value="{{.FirstName}}" />
<input required name="last-name" placeholder="Nachname" type="text" value="{{.LastName}}" />
<input required id="writer" name="role" type="radio" value="2" {{if eq .Role 2 }}checked{{end}} />
<label for="writer">Schreiber</label>
<input required id="editor" name="role" type="radio" value="1" {{if eq .Role 1 }}checked{{end}} />
<label for="editor">Redakteur</label>
<input required id="admin" name="role" type="radio" value="0" {{if eq .Role 0 }}checked{{end}} />
<label for="admin">Admin</label>
<input type="submit" value="Anlegen" hx-post="/add-user/" hx-target="#page-content" />
</form>
<button hx-get="/hub/" hx-target="#page-content">Abbrechen</button>
<script>
var msg = "{{.Msg}}";
if (msg != "") {
alert(msg);
}
</script>
{{end}}

View File

@ -1,17 +1,6 @@
{{define "page-content"}}
<h2>Editor</h2>
<form>
<input name="editor-title" placeholder="Titel" type="text" />
<textarea name="editor-desc" placeholder="Beschreibung"></textarea>
<textarea name="editor-text" placeholder="Artikel"></textarea>
{{range .}}
<input id="{{.}}" name="tags" type="checkbox" value="{{.}}" />
<label for="{{.}}">{{.}}</label>
{{end}}
<input type="submit" value="Senden" hx-post="/finish-article/" hx-target="#page-content" />
<textarea name="editor-textarea"></textarea>
<input type="submit" value="Senden" hx-post="/finished-edit/">
</form>
{{end}}
{{define "html-result"}}
{{.}}
{{end}}

View File

@ -1,3 +0,0 @@
{{define "page-content"}}
{{.}}
{{end}}

View File

@ -1,12 +0,0 @@
{{define "page-content"}}
<h2>Hub</h2>
<button hx-get="/write-article/" hx-target="#page-content">Artikel schreiben</button>
<button hx-get="/rss/" hx-target="#page-content">RSS Feed</button>
{{if lt . 2}}
<button hx-get="/unpublished-articles/" hx-target="#page-content">Unveröffentlichte Artikel</button>
<button hx-get="/create-tag/" hx-target="#page-content">Neuer Tag</button>
{{end}}
{{if eq . 0}}
<button hx-get="/create-user/" hx-target="#page-content">Benutzer hinzufügen</button>
{{end}}
{{end}}

View File

@ -1,8 +0,0 @@
{{define "page-content"}}
<h2>Anmeldung</h2>
<form>
<input name="username" placeholder="Benutzername" type="text" />
<input name="password" placeholder="Passwort" type="password" />
<input type="submit" value="Anmelden" hx-post="/login/" hx-target="#page-content" />
</form>
{{end}}

View File

@ -1,11 +0,0 @@
{{define "page-content"}}
<form>
<input name="editor-title" type="text" value="{{.Title}}" />
<textarea name="editor-desc">{{.Desc}}</textarea>
<textarea name="editor-text">{{.Content}}</textarea>
<input name="uuid" type="hidden" value="{{.UUID}}" />
<input type="submit" value="Veröffentlichen" hx-post="/publish-article/" hx-target="#page-content" />
<input type="submit" value="Ablehnen" hx-post="/reject-article/" hx-target="#page-content" />
</form>
<button hx-get="/hub/" hx-target="#page-content">Zurück</button>
{{end}}

View File

@ -1,10 +0,0 @@
{{define "page-content"}}
<form>
{{range .}}
<input required id="{{.UUID}}" name="uuid" type="radio" value="{{.UUID}}" />
<label for="{{.UUID}}">{{.Title}}</label>
{{end}}
<input type="submit" value="Auswählen" hx-post="/review-article/" hx-target="#page-content" />
</form>
<button hx-get="/hub/" hx-target="#page-content">Zurück</button>
{{end}}