emojy: add swap and disallow upload overwrites

- includes a web interface for uploading new images
- includes a web interface for viewing 'possible' images

bot/handlers.go

@@ -91,8 +91,8 @@ func (b *bot) Send(conn Connector, kind Kind, args ...any) (string, error) {
 	return conn.Send(kind, args...)
 }
 
-func (b *bot) GetEmojiList() map[string]string {
-	return b.conn.GetEmojiList()
+func (b *bot) GetEmojiList(force bool) map[string]string {
+	return b.conn.GetEmojiList(force)
 }
 
 // Checks to see if the user is asking for help, returns true if so and handles the situation.

bot/interfaces.go

@@ -129,7 +129,7 @@ type Bot interface {
 	CheckAdmin(string) bool
 
 	// GetEmojiList returns known emoji
-	GetEmojiList() map[string]string
+	GetEmojiList(bool) map[string]string
 
 	// RegisterFilter creates a filter function for message processing
 	RegisterFilter(string, func(string) string)
@@ -186,7 +186,7 @@ type Connector interface {
 	Send(Kind, ...any) (string, error)
 
 	// GetEmojiList returns a connector's known custom emoji
-	GetEmojiList() map[string]string
+	GetEmojiList(bool) map[string]string
 
 	// Serve starts a connector's connection routine
 	Serve() error
@@ -203,6 +203,12 @@ type Connector interface {
 	// Emojy translates emojy to/from services
 	Emojy(string) string
 
+	// UploadEmojy creates a new emojy on the server related to the file at path
+	UploadEmojy(emojy, path string) error
+
+	// DeleteEmojy removes the specified emojy from the server
+	DeleteEmojy(emojy string) error
+
 	// GetChannelName returns the human-friendly name for an ID (if possible)
 	GetChannelName(id string) string
 

bot/mock.go

@@ -103,7 +103,9 @@ func (mb *MockBot) edit(c Connector, channel, newMessage, identifier string) (st
 	return "", nil
 }
 
-func (mb *MockBot) GetEmojiList() map[string]string                { return make(map[string]string) }
+func (mb *MockBot) GetEmojiList(bool) map[string]string            { return make(map[string]string) }
+func (mb *MockBot) DeleteEmojy(name string) error                  { return nil }
+func (mb *MockBot) UploadEmojy(emojy, path string) error           { return nil }
 func (mb *MockBot) RegisterFilter(s string, f func(string) string) {}
 
 func NewMockBot() *MockBot {

connectors/discord/discord.go

@@ -134,8 +134,8 @@ func (d *Discord) sendMessage(channel, message string, meMessage bool, args ...a
 	return st.ID, err
 }
 
-func (d *Discord) GetEmojiList() map[string]string {
-	if d.emojiCache != nil {
+func (d *Discord) GetEmojiList(force bool) map[string]string {
+	if d.emojiCache != nil && !force {
 		return d.emojiCache
 	}
 	guildID := d.config.Get("discord.guildid", "")
@@ -155,6 +155,16 @@ func (d *Discord) GetEmojiList() map[string]string {
 	return emojis
 }
 
+func (d *Discord) GetEmojySnowflake(name string) string {
+	list := d.GetEmojiList(true)
+	for k, v := range list {
+		if name == v {
+			return k
+		}
+	}
+	return name
+}
+
 // Who gets the users in the guild
 // Note that the channel ID does not matter in this particular case
 func (d *Discord) Who(id string) []string {
@@ -298,6 +308,22 @@ func (d *Discord) Emojy(name string) string {
 	return name
 }
 
+func (d *Discord) UploadEmojy(emojy, path string) error {
+	guildID := d.config.Get("discord.guildid", "")
+	defaultRoles := d.config.GetArray("discord.emojyRoles", []string{})
+	_, err := d.client.GuildEmojiCreate(guildID, emojy, path, defaultRoles)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (d *Discord) DeleteEmojy(emojy string) error {
+	guildID := d.config.Get("discord.guildid", "")
+	emojyID := d.GetEmojySnowflake(emojy)
+	return d.client.GuildEmojiDelete(guildID, emojyID)
+}
+
 func (d *Discord) URLFormat(title, url string) string {
 	return fmt.Sprintf("%s (%s)", title, url)
 }

connectors/irc/irc.go

@@ -129,7 +129,7 @@ func (i *Irc) sendAction(channel, message string, args ...any) (string, error) {
 	return i.sendMessage(channel, message, args...)
 }
 
-func (i *Irc) GetEmojiList() map[string]string {
+func (i *Irc) GetEmojiList(force bool) map[string]string {
 	//we're not going to do anything because it's IRC
 	return make(map[string]string)
 }
@@ -334,6 +334,14 @@ func (i Irc) Emojy(name string) string {
 	return name
 }
 
+func (i Irc) UploadEmojy(emojy, path string) error {
+	return fmt.Errorf("unimplemented")
+}
+
+func (d Irc) DeleteEmojy(emojy string) error {
+	return fmt.Errorf("unimplemented")
+}
+
 // GetChannelName returns the channel ID for a human-friendly name (if possible)
 func (i Irc) GetChannelID(name string) string {
 	return name

connectors/slackapp/slackApp.go

@@ -396,7 +396,10 @@ func (s *SlackApp) edit(channel, newMessage, identifier string) (string, error)
 	return ts, err
 }
 
-func (s *SlackApp) GetEmojiList() map[string]string {
+func (s *SlackApp) GetEmojiList(force bool) map[string]string {
+	if force {
+		s.populateEmojiList()
+	}
 	return s.emoji
 }
 
@@ -727,6 +730,14 @@ func (s *SlackApp) Emojy(name string) string {
 	return name
 }
 
+func (s *SlackApp) UploadEmojy(emojy, path string) error {
+	return fmt.Errorf("unimplemented")
+}
+
+func (s *SlackApp) DeleteEmojy(emojy string) error {
+	return fmt.Errorf("unimplemented")
+}
+
 func (s *SlackApp) URLFormat(title, url string) string {
 	return fmt.Sprintf("<%s|%s>", url, title)
 }

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/chrissexton/sentiment v0.0.0-20190927141846-d69c422ba035
 	github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90
 	github.com/forPelevin/gomoji v1.1.4
+	github.com/gabriel-vasile/mimetype v1.4.0
 	github.com/go-chi/chi/v5 v5.0.7
 	github.com/gocolly/colly v1.2.0
 	github.com/google/uuid v1.3.0

go.sum

@@ -48,6 +48,8 @@ github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90 h1:WXb3TSNmHp2vHoCro
 github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
 github.com/forPelevin/gomoji v1.1.4 h1:mlxsZQgTO7v1qnpUUoS8kk0Lf/rEvxZYgYxuVUX7edg=
 github.com/forPelevin/gomoji v1.1.4/go.mod h1:ypB7Kz3Fsp+LVR7KoT7mEFOioYBuTuAtaAT4RGl+ASY=
+github.com/gabriel-vasile/mimetype v1.4.0 h1:Cn9dkdYsMIu56tGho+fqzh7XmvY2YyGU0FnbhiOsEro=
+github.com/gabriel-vasile/mimetype v1.4.0/go.mod h1:fA8fi6KUiG7MgQQ+mEWotXoEOvmxRtOJlERCzSmRvr8=
 github.com/garyburd/go-oauth v0.0.0-20180319155456-bca2e7f09a17 h1:GOfMz6cRgTJ9jWV0qAezv642OhPnKEG7gtUjJSdStHE=
 github.com/garyburd/go-oauth v0.0.0-20180319155456-bca2e7f09a17/go.mod h1:HfkOCN6fkKKaPSAeNq/er3xObxTW4VLeY6UUK895gLQ=
 github.com/go-chi/chi/v5 v5.0.7 h1:rDTPXLDHGATaeHvVlLcR4Qe0zftYethFucbjVQ1PxU8=
@@ -197,6 +199,7 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211118161319-6a13c67c3ce4 h1:DZshvxDdVoeKIbudAdFEKi+f70l51luSy/7b76ibTY0=

plugins/cli/cli.go

@@ -122,13 +122,15 @@ func (p *CliPlugin) Send(kind bot.Kind, args ...any) (string, error) {
 	p.counter++
 	return id, nil
 }
-func (p *CliPlugin) GetEmojiList() map[string]string { return nil }
+func (p *CliPlugin) GetEmojiList(bool) map[string]string { return nil }
 func (p *CliPlugin) Serve() error                        { return nil }
 func (p *CliPlugin) Who(s string) []string               { return nil }
 func (p *CliPlugin) Profile(name string) (user.User, error) {
 	return user.User{}, fmt.Errorf("unimplemented")
 }
 func (p *CliPlugin) Emojy(name string) string             { return name }
+func (p *CliPlugin) DeleteEmojy(name string) error        { return nil }
+func (p *CliPlugin) UploadEmojy(emojy, path string) error { return nil }
 func (p *CliPlugin) URLFormat(title, url string) string {
 	return fmt.Sprintf("%s (%s)", title, url)
 }

plugins/emojifyme/emojifyme.go

@@ -63,7 +63,7 @@ func (p *EmojifyMePlugin) message(r bot.Request) bool {
 	message := r.Msg
 	if !p.GotBotEmoji {
 		p.GotBotEmoji = true
-		emojiMap := p.Bot.GetEmojiList()
+		emojiMap := p.Bot.GetEmojiList(false)
 		for e := range emojiMap {
 			p.Emoji[e] = e
 		}

plugins/emojy/emojy.go

@@ -1,16 +1,24 @@
 package emojy
 
 import (
+	"bytes"
+	"encoding/base64"
+	"fmt"
+	"github.com/fogleman/gg"
+	"github.com/gabriel-vasile/mimetype"
+	"math"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"time"
+
 	"github.com/forPelevin/gomoji"
 	"github.com/jmoiron/sqlx"
 	"github.com/rs/zerolog/log"
 	"github.com/velour/catbase/bot"
 	"github.com/velour/catbase/config"
-	"os"
-	"path"
-	"regexp"
-	"strings"
-	"time"
 )
 
 type EmojyPlugin struct {
@@ -19,6 +27,8 @@ type EmojyPlugin struct {
 	db *sqlx.DB
 }
 
+const maxLen = 32
+
 func New(b bot.Bot) *EmojyPlugin {
 	log.Debug().Msgf("emojy.New")
 	p := &EmojyPlugin{
@@ -64,10 +74,71 @@ func (p *EmojyPlugin) register() {
 				return false
 			},
 		},
+		{
+			Kind: bot.Message, IsCmd: true,
+			Regex: regexp.MustCompile(`(?i)^swapemojy (?P<old>.+) (?P<new>.+)$`),
+			Handler: func(r bot.Request) bool {
+				old := sanitizeName(r.Values["old"])
+				new := sanitizeName(r.Values["new"])
+				p.rmEmojy(r, old)
+				p.addEmojy(r, new)
+				return true
+			},
+		},
+		{
+			Kind: bot.Message, IsCmd: true,
+			Regex: regexp.MustCompile(`(?i)^addemojy (?P<name>.+)$`),
+			Handler: func(r bot.Request) bool {
+				name := sanitizeName(r.Values["name"])
+				return p.addEmojy(r, name)
+			},
+		},
+		{
+			Kind: bot.Message, IsCmd: true,
+			Regex: regexp.MustCompile(`(?i)^rmemojy (?P<name>.+)$`),
+			Handler: func(r bot.Request) bool {
+				name := sanitizeName(r.Values["name"])
+				return p.rmEmojy(r, name)
+			},
+		},
 	}
 	p.b.RegisterTable(p, ht)
 }
 
+func (p *EmojyPlugin) rmEmojy(r bot.Request, name string) bool {
+	onServerList := invertEmojyList(p.b.GetEmojiList(false))
+	if _, ok := onServerList[name]; !ok {
+		p.b.Send(r.Conn, bot.Message, r.Msg.Channel, "Emoji does not exist")
+		return true
+	}
+	if err := r.Conn.DeleteEmojy(name); err != nil {
+		p.b.Send(r.Conn, bot.Message, r.Msg.Channel, "error "+err.Error())
+		return true
+	}
+	p.b.Send(r.Conn, bot.Message, r.Msg.Channel, "removed emojy "+name)
+	return true
+}
+
+func (p *EmojyPlugin) addEmojy(r bot.Request, name string) bool {
+	onServerList := invertEmojyList(p.b.GetEmojiList(false))
+	if _, ok := onServerList[name]; ok {
+		p.b.Send(r.Conn, bot.Message, r.Msg.Channel, "Emoji already exists")
+		return true
+	}
+	if err := p.uploadEmojy(r.Conn, name); err != nil {
+		p.b.Send(r.Conn, bot.Message, r.Msg.Channel, fmt.Sprintf("error adding emojy: %v", err))
+		return true
+	}
+	list := r.Conn.GetEmojiList(true)
+	for k, v := range list {
+		if v == name {
+			p.b.Send(r.Conn, bot.Message, r.Msg.Channel, fmt.Sprintf("added emojy: %s <:%s:%s>", name, name, k))
+			break
+		}
+	}
+	return true
+}
+
 func (p *EmojyPlugin) recordReaction(emojy string) error {
 	q := `insert into emojyLog (emojy, observed) values (?, ?)`
 	_, err := p.db.Exec(q, emojy, time.Now())
@@ -100,7 +171,7 @@ func invertEmojyList(emojy map[string]string) map[string]string {
 
 func (p *EmojyPlugin) allCounts() (map[string][]EmojyCount, error) {
 	out := map[string][]EmojyCount{}
-	onServerList := invertEmojyList(p.b.DefaultConnector().GetEmojiList())
+	onServerList := invertEmojyList(p.b.GetEmojiList(true))
 	q := `select emojy, count(observed) as count from emojyLog group by emojy order by count desc`
 	result := []EmojyCount{}
 	err := p.db.Select(&result, q)
@@ -111,8 +182,8 @@ func (p *EmojyPlugin) allCounts() (map[string][]EmojyCount, error) {
 		_, e.OnServer = onServerList[e.Emojy]
 		if isEmoji(e.Emojy) {
 			out["emoji"] = append(out["emoji"], e)
-		} else if ok, fname, _ := p.isKnownEmojy(e.Emojy); ok {
-			e.URL = fname
+		} else if ok, _, eURL, _ := p.isKnownEmojy(e.Emojy); ok {
+			e.URL = eURL
 			out["emojy"] = append(out["emojy"], e)
 		} else {
 			out["unknown"] = append(out["unknown"], e)
@@ -121,25 +192,74 @@ func (p *EmojyPlugin) allCounts() (map[string][]EmojyCount, error) {
 	return out, nil
 }
 
-func (p *EmojyPlugin) isKnownEmojy(name string) (bool, string, error) {
+func (p *EmojyPlugin) allFiles() (map[string]string, map[string]string, error) {
+	files := map[string]string{}
+	urls := map[string]string{}
 	emojyPath := p.c.Get("emojy.path", "emojy")
 	baseURL := p.c.Get("emojy.baseURL", "/emojy/file")
 	entries, err := os.ReadDir(emojyPath)
 	if err != nil {
-		return false, "", err
+		return nil, nil, err
 	}
 	for _, e := range entries {
-		if !e.IsDir() &&
-			(strings.HasPrefix(e.Name(), name) ||
-				strings.HasPrefix(e.Name(), strings.Replace(name, "-", "_", -1)) ||
-				strings.HasPrefix(e.Name(), strings.Trim(name, "-_"))) {
+		if !e.IsDir() {
+			baseName := strings.TrimSuffix(e.Name(), filepath.Ext(e.Name()))
 			url := path.Join(baseURL, e.Name())
-			return true, url, nil
+			files[baseName] = path.Join(emojyPath, e.Name())
+			urls[baseName] = url
 		}
 	}
-	return false, "", nil
+	return files, urls, nil
+}
+
+func (p *EmojyPlugin) isKnownEmojy(name string) (bool, string, string, error) {
+	allFiles, allURLs, err := p.allFiles()
+	if err != nil {
+		return false, "", "", err
+	}
+	if _, ok := allURLs[name]; !ok {
+		return false, "", "", nil
+	}
+	return true, allFiles[name], allURLs[name], nil
 }
 
 func isEmoji(in string) bool {
 	return gomoji.ContainsEmoji(in)
 }
+
+func (p *EmojyPlugin) uploadEmojy(c bot.Connector, name string) error {
+	maxEmojySz := p.c.GetFloat64("emoji.maxsize", 128.0)
+	ok, fname, _, err := p.isKnownEmojy(name)
+	if !ok || err != nil {
+		u := p.c.Get("baseurl", "")
+		u = u + "/emojy"
+		return fmt.Errorf("error getting emojy, the known emojy list can be found at: %s", u)
+	}
+	i, err := gg.LoadImage(fname)
+	if err != nil {
+		return err
+	}
+	ctx := gg.NewContextForImage(i)
+	max := math.Max(float64(ctx.Width()), float64(ctx.Height()))
+	ctx.Scale(maxEmojySz/max, maxEmojySz/max)
+	w := bytes.NewBuffer([]byte{})
+	err = ctx.EncodePNG(w)
+	if err != nil {
+		return err
+	}
+	mtype := mimetype.Detect(w.Bytes())
+	base64Img := "data:" + mtype.String() + ";base64," + base64.StdEncoding.EncodeToString(w.Bytes())
+	if err := c.UploadEmojy(name, base64Img); err != nil {
+		return err
+	}
+	return nil
+}
+
+func sanitizeName(name string) string {
+	name = strings.ReplaceAll(name, "-", "_")
+	nameLen := len(name)
+	if nameLen > maxLen {
+		nameLen = maxLen
+	}
+	return name[:nameLen]
+}

plugins/emojy/index.html

@@ -22,18 +22,39 @@
     <b-navbar>
         <b-navbar-brand>Emojys</b-navbar-brand>
         <b-navbar-nav>
-            <b-nav-item v-for="item in nav" :href="item.url" :active="item.name === 'Meme'" :key="item.key">{{ item.name }}</b-nav-item>
+            <b-nav-item v-for="item in nav" :href="item.url" :active="item.name === 'Meme'" :key="item.key">{{ item.name
+                }}
+            </b-nav-item>
         </b-navbar-nav>
     </b-navbar>
-    <b-alert
-            dismissable
-            variant="error"
-            :show="err != ''"
-            @dismissed="err = ''">
-        {{ err }}
-    </b-alert>
 
-    <ul>
+    <b-navbar>
+        <b-navbar-nav>
+            <b-nav-item :active="view == 'stats'" @click="view = 'stats'">Stats</b-nav-item>
+            <b-nav-item :active="view == 'list'" @click="view = 'list'">List</b-nav-item>
+            <b-nav-item :active="view == 'upload'" @click="view = 'upload'">Upload</b-nav-item>
+        </b-navbar-nav>
+    </b-navbar>
+
+    <div
+            style="background-color:red;"
+            variant="error"
+            v-if="err != ''"
+            @click="err = ''">
+        {{ err }}
+    </div>
+
+    <div class="container" v-if="view == 'upload'">
+        <label>Passphrase</label>
+        <b-input v-model="password"></b-input>
+        <label>File
+            <input type="file" @change="handleFileUpload( $event )"/>
+        </label>
+        <br>
+        <button @click="submitFile()">Submit</button>
+    </div>
+
+    <ul v-if="view == 'stats'">
         <li v-for="(category, name) in results" key="name">
             {{name}}:
             <ul>
@@ -44,12 +65,20 @@
                         <span v-else>❎</span>
                         -
                     </span>
-                    <img v-if="emojy.url" :src="emojy.url" :alt="emojy.name" class="img-thumbnail" style="max-width: 64px; max-height: 64px" />
+                    <img v-if="emojy.url" :src="emojy.url" :alt="emojy.name" class="img-thumbnail"
+                         style="max-width: 64px; max-height: 64px"/>
                     <span v-else>{{emojy.emojy}}</span>
                 </li>
             </ul>
         </li>
     </ul>
+
+    <ul v-if="view == 'list'">
+        <li v-for="(path, name) in fileList" key="name">
+            {{name}}:
+            <img :src="path" :alt="name" class="img-thumbnail" style="max-width: 64px; max-height: 64px"/>
+        </li>
+    </ul>
 </div>
 
 <script>
@@ -60,10 +89,21 @@
     var app = new Vue({
         el: '#app',
         router,
-        data: {
+        data: function () {
+            return {
                 err: '',
+                view: '',
                 nav: [],
                 results: [],
+                fileList: {},
+                image: null,
+                password: ''
+            }
+        },
+        watch: {
+            view(newView, oldView) {
+                this.err = '';
+            }
         },
         mounted() {
             axios.get('/nav')
@@ -81,6 +121,35 @@
                         this.err = ''
                     })
                     .catch(err => (this.err = err))
+                axios.get('/emojy/allFiles')
+                    .then(resp => {
+                        this.fileList = resp.data
+                        this.err = ''
+                    })
+                    .catch(err => (this.err = err))
+            },
+            handleFileUpload(evt) {
+                this.file = evt.target.files[0];
+                console.log("added file data: " + this.file);
+            },
+            submitFile() {
+                let formData = new FormData();
+                formData.append('file', this.file);
+                formData.append('password', this.password)
+                console.log('trying to make/save form data: ' + formData)
+                axios.post('/emojy/upload',
+                    formData,
+                    {
+                        headers: {'Content-Type': 'multipart/form-data'}
+                    })
+                    .then(() => {
+                        console.log('SUCCESS!!');
+                        this.view = 'list';
+                    })
+                    .catch(e => {
+                        console.log('FAILURE!!' + e);
+                        this.err = 'Could not upload file.';
+                    });
             }
         }
     })

plugins/emojy/web.go

@@ -3,11 +3,16 @@ package emojy
 import (
 	"embed"
 	"encoding/json"
+	"fmt"
 	"github.com/go-chi/chi/v5"
 	"github.com/rs/zerolog/log"
+	"io"
 	"io/ioutil"
 	"net/http"
+	"os"
 	"path"
+	"path/filepath"
+	"strings"
 )
 
 //go:embed *.html
@@ -16,6 +21,8 @@ var embeddedFS embed.FS
 func (p *EmojyPlugin) registerWeb() {
 	r := chi.NewRouter()
 	r.HandleFunc("/all", p.handleAll)
+	r.HandleFunc("/allFiles", p.handleAllFiles)
+	r.HandleFunc("/upload", p.handleUpload)
 	r.HandleFunc("/file/{name}", p.handleEmojy)
 	r.HandleFunc("/", p.handleIndex)
 	p.b.RegisterWebName(r, "/emojy", "Emojys")
@@ -38,6 +45,90 @@ func (p *EmojyPlugin) handleAll(w http.ResponseWriter, r *http.Request) {
 	w.Write(out)
 }
 
+func (p *EmojyPlugin) handleAllFiles(w http.ResponseWriter, r *http.Request) {
+	_, urlMap, err := p.allFiles()
+	if err != nil {
+		w.WriteHeader(500)
+		out, _ := json.Marshal(struct{ err error }{err})
+		w.Write(out)
+		return
+	}
+	enc := json.NewEncoder(w)
+	err = enc.Encode(urlMap)
+	if err != nil {
+		w.WriteHeader(500)
+		out, _ := json.Marshal(struct{ err error }{err})
+		w.Write(out)
+	}
+}
+
+func (p *EmojyPlugin) handleUpload(w http.ResponseWriter, r *http.Request) {
+	enc := json.NewEncoder(w)
+	newFilePath, err := p.FileSave(r)
+	if err != nil {
+		log.Error().Err(err).Msgf("could not upload file")
+		w.WriteHeader(500)
+		enc.Encode(struct{ err error }{fmt.Errorf("file not saved: %s", err)})
+		return
+	}
+	log.Debug().Msgf("uploaded file to %s", newFilePath)
+	w.WriteHeader(200)
+	enc.Encode(struct{ file string }{newFilePath})
+
+}
+
+func (p *EmojyPlugin) FileSave(r *http.Request) (string, error) {
+	if err := r.ParseMultipartForm(32 << 20); err != nil {
+		if err != http.ErrNotMultipart {
+			return "", err
+		}
+		if err := r.ParseForm(); err != nil {
+			return "", err
+		}
+	}
+	if r.MultipartForm == nil || len(r.MultipartForm.File) == 0 {
+		return "", fmt.Errorf("no files")
+	}
+
+	password := r.Form.Get("password")
+	if password != p.b.GetPassword() {
+		return "", fmt.Errorf("incorrect password")
+	}
+
+	for _, fileHeaders := range r.MultipartForm.File {
+		for _, fileHeader := range fileHeaders {
+			body, err := fileHeader.Open()
+			if err != nil {
+				return "", fmt.Errorf("error opening part %q: %s", fileHeader.Filename, err)
+			}
+			emojyFileName := fileHeader.Filename
+			emojyName := strings.TrimSuffix(emojyFileName, filepath.Ext(emojyFileName))
+			if ok, _, _, _ := p.isKnownEmojy(emojyName); ok {
+				return "", fmt.Errorf("emojy already exists")
+			}
+			emojyPath := p.c.Get("emojy.path", "emojy")
+			contentType := fileHeader.Header.Get("Content-Type")
+			if !strings.HasPrefix(contentType, "image") {
+				return "", fmt.Errorf("incorrect mime type - given: %s", contentType)
+			}
+			fullPath := filepath.Clean(filepath.Join(emojyPath, emojyFileName))
+			_ = os.MkdirAll(emojyPath, os.ModePerm)
+			log.Debug().Msgf("trying to create/open file: %s", fullPath)
+			file, err := os.OpenFile(fullPath, os.O_WRONLY|os.O_CREATE, os.ModePerm)
+			if err != nil {
+				return "", err
+			}
+			defer file.Close()
+			_, err = io.Copy(file, body)
+			if err != nil {
+				return "", err
+			}
+			return emojyFileName, nil
+		}
+	}
+	return "", fmt.Errorf("did not find file")
+}
+
 func (p *EmojyPlugin) handleEmojy(w http.ResponseWriter, r *http.Request) {
 	fname := chi.URLParam(r, "name")
 	emojyPath := p.c.Get("emojy.path", "emojy")