705f41a872
- CLI tools: nextcloud-client, nextcloud-contacts, nextcloud-calendar, nextcloud-mail - Build script with compile-time credentials - Skills for all four tools - Email tool supports IMAP/SMTP with attachment download
522 lines
13 KiB
Go
522 lines
13 KiB
Go
package main
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import (
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"encoding/xml"
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"flag"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"strings"
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)
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// Build-time configuration (set via ldflags at compile time)
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var (
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BuildServerURL string
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BuildUsername string
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BuildToken string
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)
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// Config holds Nextcloud connection configuration
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type Config struct {
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URL string
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User string
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Token string
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WebDAV string
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}
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// Client is a Nextcloud WebDAV client
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type Client struct {
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Config Config
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HTTPClient *http.Client
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}
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// MultiStatus represents the WebDAV multistatus response
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type MultiStatus struct {
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XMLName xml.Name `xml:"multistatus"`
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Responses []Response `xml:"response"`
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}
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// Response represents a single WebDAV response
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type Response struct {
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Href string `xml:"href"`
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PropStats []PropStat `xml:"propstat"`
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}
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// PropStat represents a WebDAV propstat element
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type PropStat struct {
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Prop Prop `xml:"prop"`
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Status string `xml:"status"`
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}
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// Prop represents WebDAV properties
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type Prop struct {
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GetLastModified string `xml:"getlastmodified"`
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GetContentLength int64 `xml:"getcontentlength"`
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GetContentType string `xml:"getcontenttype"`
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ResourceType ResourceType `xml:"resourcetype"`
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GetETag string `xml:"getetag"`
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}
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// ResourceType represents the resourcetype element
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type ResourceType struct {
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Collection string `xml:"collection"`
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}
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func main() {
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// Parse flags (with build-time defaults)
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serverURL := flag.String("url", BuildServerURL, "Nextcloud server URL (e.g., https://cloud.example.com)")
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username := flag.String("user", BuildUsername, "Nextcloud username")
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token := flag.String("token", BuildToken, "Nextcloud app token")
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operation := flag.String("op", "list", "Operation: list, upload, download, mkdir, delete, move, copy, info")
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path := flag.String("path", "/", "Remote path")
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localPath := flag.String("local", "", "Local path for upload/download")
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destPath := flag.String("dest", "", "Destination path for move/copy")
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recursive := flag.Bool("r", false, "Recursive operation")
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flag.Parse()
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// Use environment variables as fallback if not set at build time or via flags
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if *serverURL == "" {
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*serverURL = os.Getenv("NEXTCLOUD_URL")
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}
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if *username == "" {
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*username = os.Getenv("NEXTCLOUD_USER")
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}
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if *token == "" {
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*token = os.Getenv("NEXTCLOUD_TOKEN")
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}
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if serverURL == nil || username == nil || token == nil || *serverURL == "" || *username == "" || *token == "" {
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fmt.Println("Error: URL, user, and token are required (set via ldflags, flags, or env vars)")
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os.Exit(1)
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}
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// Build config
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encodedUsername := url.PathEscape(*username)
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config := Config{
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URL: *serverURL,
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User: *username,
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Token: *token,
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WebDAV: fmt.Sprintf("%s/remote.php/dav/files/%s", strings.TrimSuffix(*serverURL, "/"), encodedUsername),
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}
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// Create client
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client := &Client{
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Config: config,
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HTTPClient: &http.Client{},
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}
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var err error
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switch *operation {
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case "list":
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err = client.list(*path, *recursive)
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case "upload":
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err = client.upload(*localPath, *path)
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case "download":
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err = client.download(*path, *localPath)
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case "mkdir":
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err = client.mkdir(*path)
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case "delete":
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err = client.delete(*path)
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case "move":
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err = client.move(*path, *destPath)
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case "copy":
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err = client.copy(*path, *destPath)
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case "info":
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err = client.info(*path)
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default:
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fmt.Printf("Unknown operation: %s\n", *operation)
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os.Exit(1)
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}
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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os.Exit(1)
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}
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}
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func (c *Client) list(path string, recursive bool) error {
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depth := "1"
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if recursive {
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depth = "infinity"
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}
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// PROPFIND body
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body := fmt.Sprintf(`<?xml version="1.0" encoding="UTF-8"?>
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<d:propfind xmlns:d="DAV:" xmlns:oc="http://owncloud.org/ns">
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<d:prop>
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<d:getlastmodified />
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<d:getcontentlength />
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<d:getcontenttype />
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<oc:permissions />
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<d:resourcetype />
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<d:getetag />
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</d:prop>
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</d:propfind>`)
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req, err := http.NewRequest("PROPFIND", c.Config.WebDAV+path, strings.NewReader(body))
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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req.Header.Set("Content-Type", "application/xml; charset=utf-8")
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req.Header.Set("Depth", depth)
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 207 {
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return fmt.Errorf("unexpected status: %d (expected 207 Multi-Status)", resp.StatusCode)
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}
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var multiStatus MultiStatus
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decoder := xml.NewDecoder(resp.Body)
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if err := decoder.Decode(&multiStatus); err != nil {
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return fmt.Errorf("xml decode failed: %v", err)
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}
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// Print results
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for _, response := range multiStatus.Responses {
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relPath := strings.TrimPrefix(response.Href, c.Config.WebDAV)
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if relPath == "" || relPath == c.Config.WebDAV+"/" {
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continue
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}
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// Merge props from successful propstats (200 OK)
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var mergedProp Prop
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isFolder := false
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for _, propStat := range response.PropStats {
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if strings.Contains(propStat.Status, "200") {
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// Merge successful props
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if propStat.Prop.GetLastModified != "" {
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mergedProp.GetLastModified = propStat.Prop.GetLastModified
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}
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if propStat.Prop.GetContentLength > 0 {
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mergedProp.GetContentLength = propStat.Prop.GetContentLength
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}
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if propStat.Prop.GetContentType != "" {
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mergedProp.GetContentType = propStat.Prop.GetContentType
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}
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if propStat.Prop.GetETag != "" {
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mergedProp.GetETag = propStat.Prop.GetETag
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}
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if propStat.Prop.ResourceType.Collection != "" {
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mergedProp.ResourceType = propStat.Prop.ResourceType
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isFolder = true
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}
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}
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}
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size := mergedProp.GetContentLength
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if isFolder {
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size = 0
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}
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indicator := "-"
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if isFolder {
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indicator = "d"
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}
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fmt.Printf("%s %-10d %s\n", indicator, size, relPath)
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}
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return nil
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}
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func (c *Client) upload(localPath, remotePath string) error {
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file, err := os.Open(localPath)
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if err != nil {
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return fmt.Errorf("failed to open local file: %v", err)
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}
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defer file.Close()
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stat, err := file.Stat()
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if err != nil {
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return fmt.Errorf("failed to stat file: %v", err)
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}
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req, err := http.NewRequest("PUT", c.Config.WebDAV+remotePath, file)
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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req.ContentLength = stat.Size()
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 201 && resp.StatusCode != 200 {
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return fmt.Errorf("upload failed with status: %d", resp.StatusCode)
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}
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fmt.Printf("Uploaded %s to %s\n", localPath, remotePath)
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return nil
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}
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func (c *Client) download(remotePath, localPath string) error {
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req, err := http.NewRequest("GET", c.Config.WebDAV+remotePath, nil)
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 200 {
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return fmt.Errorf("download failed with status: %d", resp.StatusCode)
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}
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// Create parent directories if needed
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if err := os.MkdirAll(filepath.Dir(localPath), 0755); err != nil {
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return fmt.Errorf("failed to create local directory: %v", err)
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}
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outFile, err := os.Create(localPath)
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if err != nil {
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return fmt.Errorf("failed to create local file: %v", err)
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}
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defer outFile.Close()
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_, err = io.Copy(outFile, resp.Body)
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if err != nil {
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return fmt.Errorf("failed to copy file: %v", err)
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}
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fmt.Printf("Downloaded %s to %s\n", remotePath, localPath)
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return nil
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}
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func (c *Client) mkdir(path string) error {
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req, err := http.NewRequest("MKCOL", c.Config.WebDAV+path, nil)
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 201 && resp.StatusCode != 204 {
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return fmt.Errorf("mkdir failed with status: %d", resp.StatusCode)
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}
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fmt.Printf("Created directory: %s\n", path)
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return nil
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}
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func (c *Client) delete(path string) error {
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req, err := http.NewRequest("DELETE", c.Config.WebDAV+path, nil)
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 204 {
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return fmt.Errorf("delete failed with status: %d", resp.StatusCode)
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}
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fmt.Printf("Deleted: %s\n", path)
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return nil
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}
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func (c *Client) move(from, to string) error {
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fullURL := c.Config.WebDAV + from
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req, err := http.NewRequest("MOVE", fullURL, nil)
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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dest := c.Config.WebDAV + to
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req.Header.Set("Destination", dest)
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 201 && resp.StatusCode != 204 {
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return fmt.Errorf("move failed with status: %d", resp.StatusCode)
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}
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fmt.Printf("Moved %s to %s\n", from, to)
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return nil
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}
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func (c *Client) copy(from, to string) error {
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fullURL := c.Config.WebDAV + from
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req, err := http.NewRequest("COPY", fullURL, nil)
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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dest := c.Config.WebDAV + to
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req.Header.Set("Destination", dest)
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 201 {
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return fmt.Errorf("copy failed with status: %d", resp.StatusCode)
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}
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fmt.Printf("Copied %s to %s\n", from, to)
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return nil
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}
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func (c *Client) info(path string) error {
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depth := "0"
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// PROPFIND body
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body := fmt.Sprintf(`<?xml version="1.0" encoding="UTF-8"?>
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<d:propfind xmlns:d="DAV:" xmlns:oc="http://owncloud.org/ns">
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<d:prop>
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<d:getlastmodified />
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<d:getcontentlength />
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<d:getcontenttype />
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<oc:permissions />
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<d:resourcetype />
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<d:getetag />
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</d:prop>
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</d:propfind>`)
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fullURL := c.Config.WebDAV + path
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req, err := http.NewRequest("PROPFIND", fullURL, strings.NewReader(body))
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if err != nil {
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return fmt.Errorf("request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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req.Header.Set("Content-Type", "application/xml; charset=utf-8")
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req.Header.Set("Depth", depth)
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != 207 {
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return fmt.Errorf("info failed with status: %d", resp.StatusCode)
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}
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var multiStatus MultiStatus
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decoder := xml.NewDecoder(resp.Body)
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if err := decoder.Decode(&multiStatus); err != nil {
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return fmt.Errorf("xml decode failed: %v", err)
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}
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// Print details
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for _, response := range multiStatus.Responses {
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relPath := strings.TrimPrefix(response.Href, c.Config.WebDAV)
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if relPath == "" || relPath == c.Config.WebDAV+"/" {
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continue
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}
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// Merge props from successful propstats (200 OK)
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var mergedProp Prop
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isFolder := false
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for _, propStat := range response.PropStats {
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if strings.Contains(propStat.Status, "200") {
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// Merge successful props
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if propStat.Prop.GetLastModified != "" {
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mergedProp.GetLastModified = propStat.Prop.GetLastModified
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}
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if propStat.Prop.GetContentLength > 0 {
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mergedProp.GetContentLength = propStat.Prop.GetContentLength
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}
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if propStat.Prop.GetContentType != "" {
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mergedProp.GetContentType = propStat.Prop.GetContentType
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}
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if propStat.Prop.GetETag != "" {
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mergedProp.GetETag = propStat.Prop.GetETag
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}
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if propStat.Prop.ResourceType.Collection != "" {
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mergedProp.ResourceType = propStat.Prop.ResourceType
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isFolder = true
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}
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}
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}
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size := mergedProp.GetContentLength
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if isFolder {
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size = 0
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}
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fmt.Printf("Path: %s\n", relPath)
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fmt.Printf(" Type: %s\n", map[bool]string{true: "Folder", false: "File"}[isFolder])
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fmt.Printf(" Size: %d bytes\n", size)
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fmt.Printf(" Modified: %s\n", mergedProp.GetLastModified)
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fmt.Printf(" ETag: %s\n", mergedProp.GetETag)
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if mergedProp.GetContentType != "" {
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fmt.Printf(" Type: %s\n", mergedProp.GetContentType)
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}
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}
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return nil
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}
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func (c *Client) request(method, path string, body io.Reader) (*http.Response, error) {
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fullURL := c.Config.WebDAV + path
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req, err := http.NewRequest(method, fullURL, body)
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if err != nil {
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return nil, fmt.Errorf("http request failed: %v", err)
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}
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req.SetBasicAuth(c.Config.User, c.Config.Token)
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req.Header.Set("OCS-APIRequest", "true")
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// For PROPFIND, set Content-Type
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if method == "PROPFIND" {
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req.Header.Set("Content-Type", "application/xml; charset=utf-8")
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}
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return c.HTTPClient.Do(req)
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}
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