Add syntax highlighting
parent
70cc0eb412
commit
45b2f21510
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// Copyright (C) 2021-2022 Leonid Maslakov.
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// This file is part of Lenpaste.
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// Lenpaste is free software: you can redistribute it
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// and/or modify it under the terms of the
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// GNU Affero Public License as published by the
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// Free Software Foundation, either version 3 of the License,
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// or (at your option) any later version.
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// Lenpaste is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Affero Public License for more details.
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// You should have received a copy of the GNU Affero Public License along with Lenpaste.
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// If not, see <https://www.gnu.org/licenses/>.
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package apiv1
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import (
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"encoding/json"
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"git.lcomrade.su/root/lenpaste/internal/netshare"
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"git.lcomrade.su/root/lenpaste/internal/storage"
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"net/http"
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)
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// GET /api/v1/getSafely
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func (data Data) GetSafelyHand(rw http.ResponseWriter, req *http.Request) {
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// Check method
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if req.Method != "GET" {
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data.writeError(rw, req, netshare.ErrBadRequest)
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return
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}
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// Get paste ID
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req.ParseForm()
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pasteID := req.Form.Get("id")
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// Check paste id
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if pasteID == "" {
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data.writeError(rw, req, netshare.ErrBadRequest)
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return
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}
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// Get paste
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paste, err := data.DB.PasteGet(pasteID)
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if err != nil {
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data.writeError(rw, req, err)
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return
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}
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// If "one use" paste
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if paste.OneUse == true {
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paste = storage.Paste{
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ID: paste.ID,
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OneUse: paste.OneUse,
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}
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}
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// Return response
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rw.Header().Set("Content-Type", "application/json")
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err = json.NewEncoder(rw).Encode(paste)
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if err != nil {
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data.Log.HttpError(req, err)
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return
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}
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}
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@ -0,0 +1,63 @@
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// Copyright (C) 2021-2022 Leonid Maslakov.
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// This file is part of Lenpaste.
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// Lenpaste is free software: you can redistribute it
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// and/or modify it under the terms of the
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// GNU Affero Public License as published by the
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// Free Software Foundation, either version 3 of the License,
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// or (at your option) any later version.
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// Lenpaste is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Affero Public License for more details.
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// You should have received a copy of the GNU Affero Public License along with Lenpaste.
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// If not, see <https://www.gnu.org/licenses/>.
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package web
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import (
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"bytes"
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"github.com/alecthomas/chroma"
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"github.com/alecthomas/chroma/formatters/html"
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"github.com/alecthomas/chroma/lexers"
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"github.com/alecthomas/chroma/styles"
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)
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func highlight(source string, lexer string) (string, error) {
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// Determine lexer
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l := lexers.Get(lexer)
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if l == nil {
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return source, nil
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}
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l = chroma.Coalesce(l)
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// Determine formatter
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f := html.New(
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html.Standalone(false),
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html.WithClasses(false),
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html.TabWidth(4),
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html.WithLineNumbers(true),
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html.WrapLongLines(true),
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)
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s := styles.Get("dracula")
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it, err := l.Tokenise(nil, source)
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if err != nil {
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return "", err
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}
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// Format
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var buf bytes.Buffer
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err = f.Format(&buf, s, it)
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if err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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