2017-03-03 09:47:43 +00:00
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// Copyright 2017 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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2017-03-19 14:25:32 +00:00
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// http://www.apache.org/licenses/LICENSE-2.0
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2017-03-03 09:47:43 +00:00
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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 hugolib
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import (
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"bytes"
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2017-03-16 08:09:26 +00:00
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"fmt"
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2017-03-03 09:47:43 +00:00
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"html/template"
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"io"
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2017-03-16 08:09:26 +00:00
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"path/filepath"
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"runtime"
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"strings"
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2017-06-13 16:42:45 +00:00
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"github.com/gohugoio/hugo/tpl"
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2017-03-27 18:43:49 +00:00
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2017-03-16 08:09:26 +00:00
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jww "github.com/spf13/jwalterweatherman"
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2017-06-13 16:42:45 +00:00
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"github.com/gohugoio/hugo/helpers"
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2017-03-03 09:47:43 +00:00
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)
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const (
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2017-06-08 21:12:39 +00:00
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alias = "<!DOCTYPE html><html><head><title>{{ .Permalink }}</title><link rel=\"canonical\" href=\"{{ .Permalink }}\"/><meta name=\"robots\" content=\"noindex\"><meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" /><meta http-equiv=\"refresh\" content=\"0; url={{ .Permalink }}\" /></head></html>"
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aliasXHtml = "<!DOCTYPE html><html xmlns=\"http://www.w3.org/1999/xhtml\"><head><title>{{ .Permalink }}</title><link rel=\"canonical\" href=\"{{ .Permalink }}\"/><meta name=\"robots\" content=\"noindex\"><meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" /><meta http-equiv=\"refresh\" content=\"0; url={{ .Permalink }}\" /></head></html>"
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2017-03-03 09:47:43 +00:00
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)
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var defaultAliasTemplates *template.Template
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func init() {
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//TODO(bep) consolidate
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defaultAliasTemplates = template.New("")
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template.Must(defaultAliasTemplates.New("alias").Parse(alias))
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template.Must(defaultAliasTemplates.New("alias-xhtml").Parse(aliasXHtml))
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}
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type aliasHandler struct {
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t tpl.TemplateFinder
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log *jww.Notepad
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allowRoot bool
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2017-03-03 09:47:43 +00:00
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}
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2017-04-30 19:52:56 +00:00
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func newAliasHandler(t tpl.TemplateFinder, l *jww.Notepad, allowRoot bool) aliasHandler {
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return aliasHandler{t, l, allowRoot}
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}
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func (a aliasHandler) renderAlias(isXHTML bool, permalink string, page *Page) (io.Reader, error) {
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t := "alias"
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if isXHTML {
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t = "alias-xhtml"
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}
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2017-03-27 18:43:49 +00:00
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var templ *tpl.TemplateAdapter
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if a.t != nil {
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templ = a.t.Lookup("alias.html")
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2017-03-03 09:47:43 +00:00
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}
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2017-03-27 18:43:49 +00:00
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if templ == nil {
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def := defaultAliasTemplates.Lookup(t)
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if def != nil {
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templ = &tpl.TemplateAdapter{Template: def}
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}
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}
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2017-03-03 09:47:43 +00:00
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data := struct {
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Permalink string
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Page *Page
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}{
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permalink,
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page,
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}
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buffer := new(bytes.Buffer)
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err := templ.Execute(buffer, data)
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if err != nil {
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return nil, err
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}
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return buffer, nil
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}
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2017-03-16 08:09:26 +00:00
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func (s *Site) writeDestAlias(path, permalink string, p *Page) (err error) {
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return s.publishDestAlias(false, path, permalink, p)
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}
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func (s *Site) publishDestAlias(allowRoot bool, path, permalink string, p *Page) (err error) {
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handler := newAliasHandler(s.Tmpl, s.Log, allowRoot)
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isXHTML := strings.HasSuffix(path, ".xhtml")
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s.Log.DEBUG.Println("creating alias:", path, "redirecting to", permalink)
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targetPath, err := handler.targetPathAlias(path)
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if err != nil {
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return err
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}
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aliasContent, err := handler.renderAlias(isXHTML, permalink, p)
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if err != nil {
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return err
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}
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:sparkles: Implement Page bundling and image handling
This commit is not the smallest in Hugo's history.
Some hightlights include:
* Page bundles (for complete articles, keeping images and content together etc.).
* Bundled images can be processed in as many versions/sizes as you need with the three methods `Resize`, `Fill` and `Fit`.
* Processed images are cached inside `resources/_gen/images` (default) in your project.
* Symbolic links (both files and dirs) are now allowed anywhere inside /content
* A new table based build summary
* The "Total in nn ms" now reports the total including the handling of the files inside /static. So if it now reports more than you're used to, it is just **more real** and probably faster than before (see below).
A site building benchmark run compared to `v0.31.1` shows that this should be slightly faster and use less memory:
```bash
▶ ./benchSite.sh "TOML,num_langs=.*,num_root_sections=5,num_pages=(500|1000),tags_per_page=5,shortcodes,render"
benchmark old ns/op new ns/op delta
BenchmarkSiteBuilding/TOML,num_langs=1,num_root_sections=5,num_pages=500,tags_per_page=5,shortcodes,render-4 101785785 78067944 -23.30%
BenchmarkSiteBuilding/TOML,num_langs=1,num_root_sections=5,num_pages=1000,tags_per_page=5,shortcodes,render-4 185481057 149159919 -19.58%
BenchmarkSiteBuilding/TOML,num_langs=3,num_root_sections=5,num_pages=500,tags_per_page=5,shortcodes,render-4 103149918 85679409 -16.94%
BenchmarkSiteBuilding/TOML,num_langs=3,num_root_sections=5,num_pages=1000,tags_per_page=5,shortcodes,render-4 203515478 169208775 -16.86%
benchmark old allocs new allocs delta
BenchmarkSiteBuilding/TOML,num_langs=1,num_root_sections=5,num_pages=500,tags_per_page=5,shortcodes,render-4 532464 391539 -26.47%
BenchmarkSiteBuilding/TOML,num_langs=1,num_root_sections=5,num_pages=1000,tags_per_page=5,shortcodes,render-4 1056549 772702 -26.87%
BenchmarkSiteBuilding/TOML,num_langs=3,num_root_sections=5,num_pages=500,tags_per_page=5,shortcodes,render-4 555974 406630 -26.86%
BenchmarkSiteBuilding/TOML,num_langs=3,num_root_sections=5,num_pages=1000,tags_per_page=5,shortcodes,render-4 1086545 789922 -27.30%
benchmark old bytes new bytes delta
BenchmarkSiteBuilding/TOML,num_langs=1,num_root_sections=5,num_pages=500,tags_per_page=5,shortcodes,render-4 53243246 43598155 -18.12%
BenchmarkSiteBuilding/TOML,num_langs=1,num_root_sections=5,num_pages=1000,tags_per_page=5,shortcodes,render-4 105811617 86087116 -18.64%
BenchmarkSiteBuilding/TOML,num_langs=3,num_root_sections=5,num_pages=500,tags_per_page=5,shortcodes,render-4 54558852 44545097 -18.35%
BenchmarkSiteBuilding/TOML,num_langs=3,num_root_sections=5,num_pages=1000,tags_per_page=5,shortcodes,render-4 106903858 86978413 -18.64%
```
Fixes #3651
Closes #3158
Fixes #1014
Closes #2021
Fixes #1240
Updates #3757
2017-07-24 07:00:23 +00:00
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return s.publish(&s.PathSpec.ProcessingStats.Aliases, targetPath, aliasContent)
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2017-03-16 08:09:26 +00:00
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}
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func (a aliasHandler) targetPathAlias(src string) (string, error) {
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originalAlias := src
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if len(src) <= 0 {
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return "", fmt.Errorf("Alias \"\" is an empty string")
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}
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alias := filepath.Clean(src)
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components := strings.Split(alias, helpers.FilePathSeparator)
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if !a.allowRoot && alias == helpers.FilePathSeparator {
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return "", fmt.Errorf("Alias \"%s\" resolves to website root directory", originalAlias)
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}
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// Validate against directory traversal
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if components[0] == ".." {
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return "", fmt.Errorf("Alias \"%s\" traverses outside the website root directory", originalAlias)
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}
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// Handle Windows file and directory naming restrictions
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// See "Naming Files, Paths, and Namespaces" on MSDN
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// https://msdn.microsoft.com/en-us/library/aa365247%28v=VS.85%29.aspx?f=255&MSPPError=-2147217396
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msgs := []string{}
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reservedNames := []string{"CON", "PRN", "AUX", "NUL", "COM0", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT0", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9"}
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if strings.ContainsAny(alias, ":*?\"<>|") {
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msgs = append(msgs, fmt.Sprintf("Alias \"%s\" contains invalid characters on Windows: : * ? \" < > |", originalAlias))
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}
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for _, ch := range alias {
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if ch < ' ' {
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msgs = append(msgs, fmt.Sprintf("Alias \"%s\" contains ASCII control code (0x00 to 0x1F), invalid on Windows: : * ? \" < > |", originalAlias))
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continue
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}
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}
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for _, comp := range components {
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if strings.HasSuffix(comp, " ") || strings.HasSuffix(comp, ".") {
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msgs = append(msgs, fmt.Sprintf("Alias \"%s\" contains component with a trailing space or period, problematic on Windows", originalAlias))
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}
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for _, r := range reservedNames {
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if comp == r {
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msgs = append(msgs, fmt.Sprintf("Alias \"%s\" contains component with reserved name \"%s\" on Windows", originalAlias, r))
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}
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}
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}
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if len(msgs) > 0 {
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if runtime.GOOS == "windows" {
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for _, m := range msgs {
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a.log.ERROR.Println(m)
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}
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return "", fmt.Errorf("Cannot create \"%s\": Windows filename restriction", originalAlias)
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}
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for _, m := range msgs {
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a.log.WARN.Println(m)
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}
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}
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// Add the final touch
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alias = strings.TrimPrefix(alias, helpers.FilePathSeparator)
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if strings.HasSuffix(alias, helpers.FilePathSeparator) {
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alias = alias + "index.html"
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} else if !strings.HasSuffix(alias, ".html") {
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alias = alias + helpers.FilePathSeparator + "index.html"
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}
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if originalAlias != alias {
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a.log.INFO.Printf("Alias \"%s\" translated to \"%s\"\n", originalAlias, alias)
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}
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2017-03-16 09:04:30 +00:00
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return alias, nil
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2017-03-16 08:09:26 +00:00
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}
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