mirror of https://github.com/jlelse/GoBlog
123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
package main
|
|
|
|
import (
|
|
"io"
|
|
"net/http"
|
|
|
|
"go.goblog.app/app/pkgs/bufferpool"
|
|
"go.goblog.app/app/pkgs/contenttype"
|
|
"go.goblog.app/app/pkgs/htmlbuilder"
|
|
"go.goblog.app/app/pkgs/plugintypes"
|
|
)
|
|
|
|
type renderData struct {
|
|
BlogString string
|
|
Canonical string
|
|
TorAddress string
|
|
Blog *configBlog
|
|
User *configUser
|
|
Data any
|
|
WebmentionReceivingEnabled bool
|
|
TorUsed bool
|
|
EasterEgg bool
|
|
// Not directly accessible
|
|
app *goBlog
|
|
req *http.Request
|
|
}
|
|
|
|
func (d *renderData) LoggedIn() bool {
|
|
return d.app.isLoggedIn(d.req)
|
|
}
|
|
|
|
func (a *goBlog) render(w http.ResponseWriter, r *http.Request, f func(*htmlbuilder.HtmlBuilder, *renderData), data *renderData) {
|
|
a.renderWithStatusCode(w, r, http.StatusOK, f, data)
|
|
}
|
|
|
|
func (a *goBlog) renderWithStatusCode(w http.ResponseWriter, r *http.Request, statusCode int, f func(*htmlbuilder.HtmlBuilder, *renderData), data *renderData) {
|
|
// Check render data
|
|
a.checkRenderData(r, data)
|
|
// Set content type
|
|
w.Header().Set(contentType, contenttype.HTMLUTF8)
|
|
// Write status code
|
|
w.WriteHeader(statusCode)
|
|
// Render
|
|
buf := bufferpool.Get()
|
|
defer bufferpool.Put(buf)
|
|
f(htmlbuilder.NewHtmlBuilder(buf), data)
|
|
// Check if UI plugins are registered
|
|
uiPlugins := a.getPlugins(pluginUiType)
|
|
if len(uiPlugins) > 0 {
|
|
pluginBuf := bufferpool.Get()
|
|
defer bufferpool.Put(pluginBuf)
|
|
for _, plug := range uiPlugins {
|
|
pluginBuf.Reset()
|
|
plug.(plugintypes.UI).Render(&pluginRenderContext{
|
|
blog: data.BlogString,
|
|
path: r.URL.Path,
|
|
}, buf, pluginBuf)
|
|
buf.Reset()
|
|
_, _ = io.Copy(buf, pluginBuf)
|
|
}
|
|
}
|
|
// Return minified HTML
|
|
_ = a.min.Get().Minify(contenttype.HTML, w, buf)
|
|
}
|
|
|
|
func (a *goBlog) checkRenderData(r *http.Request, data *renderData) {
|
|
if data.app == nil {
|
|
data.app = a
|
|
}
|
|
if data.req == nil {
|
|
data.req = r
|
|
}
|
|
// User
|
|
if data.User == nil {
|
|
data.User = a.cfg.User
|
|
}
|
|
// Blog
|
|
if data.Blog == nil && data.BlogString == "" {
|
|
data.BlogString, data.Blog = a.getBlog(r)
|
|
} else if data.Blog == nil {
|
|
data.Blog = a.cfg.Blogs[data.BlogString]
|
|
} else if data.BlogString == "" {
|
|
for name, blog := range a.cfg.Blogs {
|
|
if blog == data.Blog {
|
|
data.BlogString = name
|
|
break
|
|
}
|
|
}
|
|
}
|
|
// Tor
|
|
if a.cfg.Server.Tor && a.torAddress != "" {
|
|
data.TorAddress = a.torAddress + r.RequestURI
|
|
}
|
|
if torUsed, ok := r.Context().Value(torUsedKey).(bool); ok && torUsed {
|
|
data.TorUsed = true
|
|
}
|
|
// Check if able to receive webmentions
|
|
data.WebmentionReceivingEnabled = a.cfg.Webmention == nil || !a.cfg.Webmention.DisableReceiving
|
|
// Easter egg
|
|
if ee := a.cfg.EasterEgg; ee != nil && ee.Enabled {
|
|
data.EasterEgg = true
|
|
}
|
|
// Data
|
|
if data.Data == nil {
|
|
data.Data = map[string]any{}
|
|
}
|
|
}
|
|
|
|
// Plugins
|
|
|
|
type pluginRenderContext struct {
|
|
blog string
|
|
path string
|
|
}
|
|
|
|
func (d *pluginRenderContext) GetBlog() string {
|
|
return d.blog
|
|
}
|
|
|
|
func (d *pluginRenderContext) GetPath() string {
|
|
return d.path
|
|
}
|