105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
package router
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import (
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"bufio"
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"errors"
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"net/http"
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"os"
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"strconv"
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"github.com/gin-gonic/gin"
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"github.com/pterodactyl/wings/router/middleware"
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"github.com/pterodactyl/wings/router/tokens"
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"github.com/pterodactyl/wings/server/backup"
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)
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// Handle a download request for a server backup.
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func getDownloadBackup(c *gin.Context) {
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client := middleware.ExtractApiClient(c)
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manager := middleware.ExtractManager(c)
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token := tokens.BackupPayload{}
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if err := tokens.ParseToken([]byte(c.Query("token")), &token); err != nil {
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middleware.CaptureAndAbort(c, err)
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return
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}
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if _, ok := manager.Get(token.ServerUuid); !ok || !token.IsUniqueRequest() {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
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"error": "The requested resource was not found on this server.",
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})
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return
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}
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b, st, err := backup.LocateLocal(client, token.BackupUuid)
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
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"error": "The requested backup was not found on this server.",
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})
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return
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}
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middleware.CaptureAndAbort(c, err)
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return
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}
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// The use of `os` here is safe as backups are not stored within server
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// accessible directories.
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f, err := os.Open(b.Path())
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if err != nil {
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middleware.CaptureAndAbort(c, err)
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return
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}
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defer f.Close()
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c.Header("Content-Length", strconv.Itoa(int(st.Size())))
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c.Header("Content-Disposition", "attachment; filename="+strconv.Quote(st.Name()))
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c.Header("Content-Type", "application/octet-stream")
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_, _ = bufio.NewReader(f).WriteTo(c.Writer)
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}
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// Handles downloading a specific file for a server.
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func getDownloadFile(c *gin.Context) {
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manager := middleware.ExtractManager(c)
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token := tokens.FilePayload{}
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if err := tokens.ParseToken([]byte(c.Query("token")), &token); err != nil {
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middleware.CaptureAndAbort(c, err)
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return
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}
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s, ok := manager.Get(token.ServerUuid)
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if !ok || !token.IsUniqueRequest() {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
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"error": "The requested resource was not found on this server.",
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})
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return
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}
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if err := s.Filesystem().IsIgnored(token.FilePath); err != nil {
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middleware.CaptureAndAbort(c, err)
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return
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}
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f, st, err := s.Filesystem().File(token.FilePath)
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if err != nil {
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middleware.CaptureAndAbort(c, err)
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return
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}
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defer f.Close()
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if st.IsDir() {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
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"error": "The requested resource was not found on this server.",
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})
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return
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}
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c.Header("Content-Length", strconv.Itoa(int(st.Size())))
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c.Header("Content-Disposition", "attachment; filename="+strconv.Quote(st.Name()))
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c.Header("Content-Type", "application/octet-stream")
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_, _ = bufio.NewReader(f).WriteTo(c.Writer)
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}
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