image previews wip
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2c396826e7
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@ -8,8 +8,10 @@ import (
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"fmt"
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"io"
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"math"
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"os"
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path "path/filepath"
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"strconv"
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"strings"
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"time"
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"cwtch.im/cwtch/model"
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@ -31,6 +33,13 @@ func FunctionalityGate(experimentMap map[string]bool) (*Functionality, error) {
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return nil, errors.New("filesharing is not enabled")
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}
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func PreviewFunctionalityGate(experimentMap map[string]bool) (*Functionality, error) {
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if experimentMap["filesharing"] == true && experimentMap["filesharing-images"] == true {
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return new(Functionality), nil
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}
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return nil, errors.New("image previews are not enabled")
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}
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// OverlayMessage presents the canonical format of the File Sharing functionality Overlay Message
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// This is the format that the UI will parse to display the message
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type OverlayMessage struct {
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@ -40,6 +49,10 @@ type OverlayMessage struct {
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Size uint64 `json:"s"`
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}
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func (om *OverlayMessage) FileKey() string {
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return fmt.Sprintf("%s.%s", om.Hash, om.Nonce)
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}
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// DownloadFile given a profile, a conversation handle and a file sharing key, start off a download process
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// to downloadFilePath
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func (f *Functionality) DownloadFile(profile peer.CwtchPeer, handle string, downloadFilePath string, manifestFilePath string, key string) {
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@ -101,3 +114,26 @@ func (f *Functionality) ShareFile(filepath string, profile peer.CwtchPeer, handl
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return nil
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}
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func GenerateDownloadPath(basePath, fileName string) (filePath, manifestPath string) {
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filePath = fmt.Sprintf("%s%s", basePath, fileName)
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manifestPath = fmt.Sprintf("%s.manifest", filePath)
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parts := strings.Split(fileName, ".")
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fileNameBase := parts[0]
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fileNameExt := ""
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if len(parts) > 1 {
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fileNameBase = strings.Join(parts[0:len(parts)-1], ".")
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fileNameExt = fmt.Sprintf(".%s", parts[len(parts)-1])
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}
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for i := 2; ; i++ {
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if _, err := os.Open(filePath); os.IsNotExist(err) {
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if _, err := os.Open(manifestPath); os.IsNotExist(err) {
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return
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}
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}
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filePath = fmt.Sprintf("%s%s (%d)%s", basePath, fileNameBase, i, fileNameExt)
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manifestPath = fmt.Sprintf("%s.manifest", filePath)
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}
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}
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