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Simplify opengraph tag generation

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This commit is contained in:
Wim Brand
2024-09-09 14:48:10 +02:00
parent 51afa2615c
commit 9bf31b1eb1
4 changed files with 103 additions and 130 deletions
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4
webcontroller/file_viewer.go
View File

@@ -91,7 +91,7 @@ func (wc *WebController) serveFileViewer(w http.ResponseWriter, r *http.Request,
return
}
templateData.OGData = wc.metadataFromFile(files[0].FileInfo)
templateData.OGData = wc.metadataFromFile(r, files[0].FileInfo)
var vd = fileViewerData{
CaptchaKey: wc.captchaKey(),
@@ -168,7 +168,7 @@ func (wc *WebController) serveListViewer(w http.ResponseWriter, r *http.Request,
}
templateData.Title = fmt.Sprintf("%s ~ pixeldrain", list.Title)
templateData.OGData = wc.metadataFromList(list)
templateData.OGData = wc.metadataFromList(r, list)
var vd = fileViewerData{
Type: "list",
CaptchaKey: wc.captchaSiteKey,

88
webcontroller/filesystem.go
View File

@@ -3,17 +3,13 @@ package webcontroller
import (
"fmt"
"net/http"
"net/url"
"strings"
"fornaxian.tech/log"
"fornaxian.tech/pixeldrain_api_client/pixelapi"
"fornaxian.tech/util"
"github.com/julienschmidt/httprouter"
)
const defaultThemeColour = "#220735"
func (wc *WebController) serveDirectory(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
var err error
var td = wc.newTemplateData(w, r)
@@ -46,91 +42,9 @@ func (wc *WebController) serveDirectory(w http.ResponseWriter, r *http.Request,
td.Title = fmt.Sprintf("%s ~ pixeldrain", node.Path[node.BaseIndex].Name)
td.Other = node
td.OGData = wc.metadataFromFilesystem(node)
td.OGData = wc.metadataFromFilesystem(r, node)
err = wc.templates.Get().ExecuteTemplate(w, "filesystem", td)
if err != nil && !util.IsNetError(err) {
log.Error("Error executing template filesystem: %s", err)
}
}
func urlEncodePath(path string) string {
var split = strings.Split(path, "/")
for i := range split {
split[i] = url.PathEscape(split[i])
}
return strings.Join(split, "/")
}
func findThemeColour(f pixelapi.FilesystemPath) string {
// We walk the patch backward because lower entries can override the
// properties of higher entries
for i := len(f.Path) - 1; i >= 0; i-- {
if f.Path[i].Properties["branding_enabled"] != "true" &&
f.Path[i].Properties["brand_highlight_color"] != "" {
return f.Path[i].Properties["brand_highlight_color"]
}
}
return defaultThemeColour
}
func (wc *WebController) metadataFromFilesystem(f pixelapi.FilesystemPath) (og ogData) {
var (
base = f.Path[f.BaseIndex]
name = base.Name
filetype = base.FileType
filepath = urlEncodePath(base.Path)
pageurl = wc.config.WebsiteAddress + "/d" + filepath
fileurl = wc.config.WebsiteAddress + "/api/filesystem" + filepath
thumbnailurl = wc.config.WebsiteAddress + "/api/filesystem" + filepath + "?thumbnail"
)
og.addProp("og:title", name)
og.addProp("og:site_name", "pixeldrain")
og.addProp("og:description", "This file has been shared with you on pixeldrain")
og.addProp("og:url", pageurl)
og.addProp("description", "This file has been shared with you on pixeldrain")
og.addName("description", "This file has been shared with you on pixeldrain")
og.addName("keywords", "pixeldrain,shared,sharing,upload,file,free")
og.addName("twitter:title", name)
og.addName("twitter:site", "@Fornax96")
og.addName("twitter:domain", "pixeldrain.com")
og.addName("theme-color", findThemeColour(f))
if strings.HasPrefix(filetype, "image") {
og.addProp("og:type", "article")
og.addProp("og:image", fileurl)
og.addProp("og:image:url", fileurl)
og.addProp("og:image:secure_url", fileurl)
og.addProp("og:image:type", filetype)
og.addName("twitter:card", "summary_large_image")
og.addName("twitter:image", fileurl)
og.addLink("image_src", fileurl)
} else if strings.HasPrefix(filetype, "video") {
og.addProp("og:type", "video.other")
og.addProp("og:image", thumbnailurl)
og.addProp("og:video", fileurl)
og.addProp("og:video:url", fileurl)
og.addProp("og:video:secure_url", fileurl)
og.addProp("og:video:type", filetype)
og.addName("twitter:card", "player")
og.addName("twitter:image", thumbnailurl)
og.addName("twitter:player", fileurl)
og.addName("twitter:player:stream", fileurl)
og.addName("twitter:player:stream:content_type", filetype)
og.addLink("image_src", thumbnailurl)
} else if strings.HasPrefix(filetype, "audio") {
og.addProp("og:type", "music.song")
og.addProp("og:image", thumbnailurl)
og.addProp("og:audio", fileurl)
og.addProp("og:audio:secure_url", fileurl)
og.addProp("og:audio:type", filetype)
og.addLink("image_src", thumbnailurl)
} else {
og.addProp("og:type", "website")
og.addProp("og:image", thumbnailurl)
og.addLink("image_src", thumbnailurl)
}
return og
}

140
webcontroller/opengraph.go
View File

@@ -1,11 +1,15 @@
package webcontroller
import (
"net/http"
"net/url"
"strings"
"fornaxian.tech/pixeldrain_api_client/pixelapi"
)
const defaultThemeColour = "#220735"
type ogData struct {
MetaPropRules []ogProp
MetaNameRules []ogProp
@@ -21,72 +25,128 @@ func (og *ogData) addProp(k, v string) { og.MetaPropRules = append(og.MetaPropRu
func (og *ogData) addName(k, v string) { og.MetaNameRules = append(og.MetaNameRules, ogProp{k, v}) }
func (og *ogData) addLink(k, v string) { og.LinkRules = append(og.LinkRules, ogProp{k, v}) }
func (wc *WebController) metadataFromFile(f pixelapi.FileInfo) (og ogData) {
og.addProp("og:title", f.Name)
func generateOGData(name, filetype, pageurl, fileurl, thumbnailurl, themecolour string) (og ogData) {
og.addProp("og:title", name)
og.addProp("og:site_name", "pixeldrain")
og.addProp("og:description", "This file has been shared with you on pixeldrain")
og.addProp("og:url", wc.config.WebsiteAddress+"/u/"+f.ID)
og.addProp("og:url", pageurl)
og.addProp("description", "This file has been shared with you on pixeldrain")
og.addName("description", "This file has been shared with you on pixeldrain")
og.addName("keywords", "pixeldrain,shared,sharing,upload,file,free")
og.addName("twitter:title", f.Name)
og.addName("twitter:title", name)
og.addName("twitter:site", "@Fornax96")
og.addName("twitter:domain", "pixeldrain.com")
og.addName("theme-color", themecolour)
if strings.HasPrefix(f.MimeType, "image") {
if strings.HasPrefix(filetype, "image") {
og.addProp("og:type", "article")
og.addProp("og:image", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:image:url", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:image:secure_url", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:image:type", f.MimeType)
og.addProp("og:image", fileurl)
og.addProp("og:image:url", fileurl)
og.addProp("og:image:secure_url", fileurl)
og.addProp("og:image:type", filetype)
og.addName("twitter:card", "summary_large_image")
og.addName("twitter:image", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addLink("image_src", wc.config.WebsiteAddress+"/api/file/"+f.ID)
} else if strings.HasPrefix(f.MimeType, "video") {
og.addName("twitter:image", fileurl)
og.addLink("image_src", fileurl)
} else if strings.HasPrefix(filetype, "video") {
og.addProp("og:type", "video.other")
og.addProp("og:image", wc.config.WebsiteAddress+"/api/file/"+f.ID+"/thumbnail")
og.addProp("og:video", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:video:url", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:video:secure_url", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:video:type", f.MimeType)
og.addProp("og:image", thumbnailurl)
og.addProp("og:video", fileurl)
og.addProp("og:video:url", fileurl)
og.addProp("og:video:secure_url", fileurl)
og.addProp("og:video:type", filetype)
og.addName("twitter:card", "player")
og.addName("twitter:image", wc.config.WebsiteAddress+"/api/file/"+f.ID+"/thumbnail")
og.addName("twitter:player", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addName("twitter:player:stream", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addName("twitter:player:stream:content_type", f.MimeType)
og.addLink("image_src", wc.config.WebsiteAddress+"/api/file/"+f.ID+"/thumbnail")
} else if strings.HasPrefix(f.MimeType, "audio") {
og.addName("twitter:image", thumbnailurl)
og.addName("twitter:player", fileurl)
og.addName("twitter:player:stream", fileurl)
og.addName("twitter:player:stream:content_type", filetype)
og.addLink("image_src", thumbnailurl)
} else if strings.HasPrefix(filetype, "audio") {
og.addProp("og:type", "music.song")
og.addProp("og:image", wc.config.WebsiteAddress+"/api/file/"+f.ID+"/thumbnail")
og.addProp("og:audio", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:audio:secure_url", wc.config.WebsiteAddress+"/api/file/"+f.ID)
og.addProp("og:audio:type", f.MimeType)
og.addLink("image_src", wc.config.WebsiteAddress+"/api/file/"+f.ID+"/thumbnail")
og.addProp("og:image", thumbnailurl)
og.addProp("og:audio", fileurl)
og.addProp("og:audio:secure_url", fileurl)
og.addProp("og:audio:type", filetype)
og.addLink("image_src", thumbnailurl)
} else {
og.addProp("og:type", "website")
og.addProp("og:image", wc.config.WebsiteAddress+"/api/file/"+f.ID+"/thumbnail")
og.addLink("image_src", wc.config.WebsiteAddress+"/api/file/"+f.ID+"/thumbnail")
og.addProp("og:image", thumbnailurl)
og.addLink("image_src", thumbnailurl)
}
return og
}
func (wc *WebController) metadataFromList(l pixelapi.ListInfo) (og ogData) {
func getRequestAddress(r *http.Request) (addr string) {
if r.TLS == nil {
return "http://" + r.Header.Get("Host")
} else {
return "https://" + r.Header.Get("Host")
}
}
func (wc *WebController) metadataFromFile(r *http.Request, f pixelapi.FileInfo) ogData {
var addr = getRequestAddress(r)
return generateOGData(
f.Name,
f.MimeType,
addr+"/u/"+f.ID,
addr+"/api/file/"+f.ID,
addr+"/api/file/"+f.ID+"/thumbnail",
defaultThemeColour,
)
}
func (wc *WebController) metadataFromList(r *http.Request, l pixelapi.ListInfo) ogData {
var addr = getRequestAddress(r)
if l.FileCount > 0 {
return generateOGData(
l.Title,
l.Files[0].MimeType,
addr+"/l/"+l.ID,
addr+"/api/file/"+l.Files[0].ID,
addr+"/api/file/"+l.Files[0].ID+"/thumbnail",
defaultThemeColour,
)
}
var og = ogData{}
og.addProp("og:type", "website")
og.addProp("og:title", l.Title)
og.addProp("og:site_name", "pixeldrain")
og.addProp("og:description", "A collection of files on pixeldrain")
og.addProp("description", "A collection of files on pixeldrain")
og.addName("description", "A collection of files on pixeldrain")
og.addProp("og:url", wc.config.WebsiteAddress+"/l/"+l.ID)
og.addProp("og:url", addr+"/l/"+l.ID)
og.addName("twitter:title", l.Title)
og.addName("twitter:site", "@Fornax96")
og.addName("twitter:domain", "pixeldrain.com")
if l.FileCount > 0 {
og.addProp("og:image", wc.config.WebsiteAddress+"/api/file/"+l.Files[0].ID+"/thumbnail")
og.addProp("og:image:url", wc.config.WebsiteAddress+"/api/file/"+l.Files[0].ID+"/thumbnail")
og.addName("twitter:image", wc.config.WebsiteAddress+"/api/file/"+l.Files[0].ID+"/thumbnail")
og.addLink("image_src", wc.config.WebsiteAddress+"/api/file/"+l.Files[0].ID+"/thumbnail")
}
return og
}
func (wc *WebController) metadataFromFilesystem(r *http.Request, f pixelapi.FilesystemPath) (og ogData) {
var addr = getRequestAddress(r)
var base = &f.Path[f.BaseIndex]
// Encode the file path
var split = strings.Split(base.Path, "/")
for i := range split {
split[i] = url.PathEscape(split[i])
}
var filepath = strings.Join(split, "/")
// Get the theme colour
var colour = defaultThemeColour
for _, node := range f.Path {
if node.Properties["branding_enabled"] == "true" &&
node.Properties["brand_highlight_color"] != "" {
colour = node.Properties["brand_highlight_color"]
}
}
return generateOGData(
base.Name,
base.FileType,
addr+"/d"+filepath,
addr+"/api/filesystem"+filepath,
addr+"/api/filesystem"+filepath+"?thumbnail",
colour,
)
}