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4f66f790b1
This also includes a refactor of the hugofs package and its usage.
The motivation for that is:
The Afero filesystems are brilliant. Hugo's way of adding a dozen of global variables for the different filesystems was a mistake. In readFile (and also in some other places in Hugo today) we need a way to restrict the access inside the working dir. We could use ioutil.ReadFile and implement the path checking, checking the base path and the dots ("..") etc. But it is obviously better to use an Afero BasePathFs combined witha ReadOnlyFs. We could create a use-once-filesystem and handle the initialization ourselves, but since this is also useful to others and the initialization depends on some other global state (which would mean to create a new file system on every invocation), we might as well do it properly and encapsulate the predefined set of filesystems. This change also leads the way, if needed, to encapsulate the file systems in a struct, making it possible to have several file system sets in action at once (parallel multilanguage site building? With Moore's law and all...)
Fixes #1551
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// Copyright 2016 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package target
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import (
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"io"
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"path/filepath"
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"github.com/spf13/hugo/helpers"
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"github.com/spf13/hugo/hugofs"
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)
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type Publisher interface {
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Publish(string, io.Reader) error
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}
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type Translator interface {
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Translate(string) (string, error)
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}
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// TODO(bep) consider other ways to solve this.
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type OptionalTranslator interface {
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TranslateRelative(string) (string, error)
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}
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type Output interface {
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Publisher
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Translator
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}
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type Filesystem struct {
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PublishDir string
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}
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func (fs *Filesystem) Publish(path string, r io.Reader) (err error) {
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translated, err := fs.Translate(path)
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if err != nil {
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return
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}
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return helpers.WriteToDisk(translated, r, hugofs.Destination())
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}
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func (fs *Filesystem) Translate(src string) (dest string, err error) {
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return filepath.Join(fs.PublishDir, filepath.FromSlash(src)), nil
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}
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func filename(f string) string {
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ext := filepath.Ext(f)
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if ext == "" {
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return f
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}
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return f[:len(f)-len(ext)]
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}
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