mirror of
https://github.com/rclone/rclone.git
synced 2024-11-23 00:43:49 +01:00
308 lines
9.5 KiB
Go
308 lines
9.5 KiB
Go
// +build !noencode
|
||
|
||
package encodings
|
||
|
||
import (
|
||
"runtime"
|
||
"strings"
|
||
|
||
"github.com/rclone/rclone/lib/encoder"
|
||
)
|
||
|
||
// Base only encodes the zero byte and slash
|
||
const Base = encoder.MultiEncoder(
|
||
encoder.EncodeZero |
|
||
encoder.EncodeSlash |
|
||
encoder.EncodeDot)
|
||
|
||
// Display is the internal encoding for logging and output
|
||
const Display = encoder.Standard
|
||
|
||
// LocalUnix is the encoding used by the local backend for non windows platforms
|
||
const LocalUnix = Base
|
||
|
||
// LocalWindows is the encoding used by the local backend for windows platforms
|
||
//
|
||
// List of replaced characters:
|
||
// < (less than) -> '＜' // FULLWIDTH LESS-THAN SIGN
|
||
// > (greater than) -> '＞' // FULLWIDTH GREATER-THAN SIGN
|
||
// : (colon) -> '：' // FULLWIDTH COLON
|
||
// " (double quote) -> '＂' // FULLWIDTH QUOTATION MARK
|
||
// \ (backslash) -> '＼' // FULLWIDTH REVERSE SOLIDUS
|
||
// | (vertical line) -> '｜' // FULLWIDTH VERTICAL LINE
|
||
// ? (question mark) -> '？' // FULLWIDTH QUESTION MARK
|
||
// * (asterisk) -> '＊' // FULLWIDTH ASTERISK
|
||
//
|
||
// Additionally names can't end with a period (.) or space ( ).
|
||
// List of replaced characters:
|
||
// . (period) -> '．' // FULLWIDTH FULL STOP
|
||
// (space) -> '␠' // SYMBOL FOR SPACE
|
||
//
|
||
// Also encode invalid UTF-8 bytes as Go can't convert them to UTF-16.
|
||
//
|
||
// https://docs.microsoft.com/de-de/windows/desktop/FileIO/naming-a-file#naming-conventions
|
||
const LocalWindows = encoder.MultiEncoder(
|
||
uint(Base) |
|
||
encoder.EncodeWin |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeCtl |
|
||
encoder.EncodeRightSpace |
|
||
encoder.EncodeRightPeriod |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// AmazonCloudDrive is the encoding used by the amazonclouddrive backend
|
||
//
|
||
// Encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
const AmazonCloudDrive = encoder.MultiEncoder(
|
||
uint(Base) |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// B2 is the encoding used by the b2 backend
|
||
//
|
||
// See: https://www.backblaze.com/b2/docs/files.html
|
||
// Encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
// FIXME: allow /, but not leading, trailing or double
|
||
const B2 = encoder.MultiEncoder(
|
||
uint(Display) |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// Box is the encoding used by the box backend
|
||
//
|
||
// From https://developer.box.com/docs/error-codes#section-400-bad-request :
|
||
// > Box only supports file or folder names that are 255 characters or less.
|
||
// > File names containing non-printable ascii, "/" or "\", names with leading
|
||
// > or trailing spaces, and the special names “.” and “..” are also unsupported.
|
||
//
|
||
// Testing revealed names with leading spaces work fine.
|
||
// Also encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
const Box = encoder.MultiEncoder(
|
||
uint(Display) |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeRightSpace |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// Drive is the encoding used by the drive backend
|
||
//
|
||
// Encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
// Don't encode / as it's a valid name character in drive.
|
||
const Drive = encoder.MultiEncoder(
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// Dropbox is the encoding used by the dropbox backend
|
||
//
|
||
// https://www.dropbox.com/help/syncing-uploads/files-not-syncing lists / and \
|
||
// as invalid characters.
|
||
// Testing revealed names with trailing spaces and the DEL character don't work.
|
||
// Also encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
const Dropbox = encoder.MultiEncoder(
|
||
uint(Base) |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeDel |
|
||
encoder.EncodeRightSpace |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// GoogleCloudStorage is the encoding used by the googlecloudstorage backend
|
||
const GoogleCloudStorage = encoder.MultiEncoder(
|
||
uint(Base) |
|
||
//encoder.EncodeCrLF |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// JottaCloud is the encoding used by the jottacloud backend
|
||
//
|
||
// Encode invalid UTF-8 bytes as xml doesn't handle them properly.
|
||
//
|
||
// Also: '*', '/', ':', '<', '>', '?', '\"', '\x00', '|'
|
||
const JottaCloud = encoder.MultiEncoder(
|
||
uint(Display) |
|
||
encoder.EncodeWin | // :?"*<>|
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// Koofr is the encoding used by the koofr backend
|
||
//
|
||
// Encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
const Koofr = encoder.MultiEncoder(
|
||
uint(Display) |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// Mega is the encoding used by the mega backend
|
||
//
|
||
// Encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
const Mega = encoder.MultiEncoder(
|
||
uint(Base) |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// OneDrive is the encoding used by the onedrive backend
|
||
//
|
||
// List of replaced characters:
|
||
// < (less than) -> '＜' // FULLWIDTH LESS-THAN SIGN
|
||
// > (greater than) -> '＞' // FULLWIDTH GREATER-THAN SIGN
|
||
// : (colon) -> '：' // FULLWIDTH COLON
|
||
// " (double quote) -> '＂' // FULLWIDTH QUOTATION MARK
|
||
// \ (backslash) -> '＼' // FULLWIDTH REVERSE SOLIDUS
|
||
// | (vertical line) -> '｜' // FULLWIDTH VERTICAL LINE
|
||
// ? (question mark) -> '？' // FULLWIDTH QUESTION MARK
|
||
// * (asterisk) -> '＊' // FULLWIDTH ASTERISK
|
||
// # (number sign) -> '＃' // FULLWIDTH NUMBER SIGN
|
||
// % (percent sign) -> '％' // FULLWIDTH PERCENT SIGN
|
||
//
|
||
// Folder names cannot begin with a tilde ('~')
|
||
// List of replaced characters:
|
||
// ~ (tilde) -> '～' // FULLWIDTH TILDE
|
||
//
|
||
// Additionally names can't begin with a space ( ) or end with a period (.) or space ( ).
|
||
// List of replaced characters:
|
||
// . (period) -> '．' // FULLWIDTH FULL STOP
|
||
// (space) -> '␠' // SYMBOL FOR SPACE
|
||
//
|
||
// Also encode invalid UTF-8 bytes as json doesn't handle them.
|
||
//
|
||
// The OneDrive API documentation lists the set of reserved characters, but
|
||
// testing showed this list is incomplete. This are the differences:
|
||
// - " (double quote) is rejected, but missing in the documentation
|
||
// - space at the end of file and folder names is rejected, but missing in the documentation
|
||
// - period at the end of file names is rejected, but missing in the documentation
|
||
//
|
||
// Adding these restrictions to the OneDrive API documentation yields exactly
|
||
// the same rules as the Windows naming conventions.
|
||
//
|
||
// https://docs.microsoft.com/en-us/onedrive/developer/rest-api/concepts/addressing-driveitems?view=odsp-graph-online#path-encoding
|
||
const OneDrive = encoder.MultiEncoder(
|
||
uint(Display) |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeHashPercent |
|
||
encoder.EncodeLeftSpace |
|
||
encoder.EncodeLeftTilde |
|
||
encoder.EncodeRightPeriod |
|
||
encoder.EncodeRightSpace |
|
||
encoder.EncodeWin |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// OpenDrive is the encoding used by the opendrive backend
|
||
//
|
||
// List of replaced characters:
|
||
// < (less than) -> '＜' // FULLWIDTH LESS-THAN SIGN
|
||
// > (greater than) -> '＞' // FULLWIDTH GREATER-THAN SIGN
|
||
// : (colon) -> '：' // FULLWIDTH COLON
|
||
// " (double quote) -> '＂' // FULLWIDTH QUOTATION MARK
|
||
// \ (backslash) -> '＼' // FULLWIDTH REVERSE SOLIDUS
|
||
// | (vertical line) -> '｜' // FULLWIDTH VERTICAL LINE
|
||
// ? (question mark) -> '？' // FULLWIDTH QUESTION MARK
|
||
// * (asterisk) -> '＊' // FULLWIDTH ASTERISK
|
||
//
|
||
// Additionally names can't begin or end with a ASCII whitespace.
|
||
// List of replaced characters:
|
||
// (space) -> '␠' // SYMBOL FOR SPACE
|
||
// (horizontal tab) -> '␉' // SYMBOL FOR HORIZONTAL TABULATION
|
||
// (line feed) -> '␊' // SYMBOL FOR LINE FEED
|
||
// (vertical tab) -> '␋' // SYMBOL FOR VERTICAL TABULATION
|
||
// (carriage return) -> '␍' // SYMBOL FOR CARRIAGE RETURN
|
||
//
|
||
// Also encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
//
|
||
// https://www.opendrive.com/wp-content/uploads/guides/OpenDrive_API_guide.pdf
|
||
const OpenDrive = encoder.MultiEncoder(
|
||
uint(Base) |
|
||
encoder.EncodeWin |
|
||
encoder.EncodeLeftCrLfHtVt |
|
||
encoder.EncodeRightCrLfHtVt |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeLeftSpace |
|
||
encoder.EncodeRightSpace |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// Pcloud is the encoding used by the pcloud backend
|
||
//
|
||
// Encode invalid UTF-8 bytes as json doesn't handle them properly.
|
||
//
|
||
// TODO: Investigate Unicode simplification (＼ gets converted to \ server-side)
|
||
const Pcloud = encoder.MultiEncoder(
|
||
uint(Display) |
|
||
encoder.EncodeBackSlash |
|
||
encoder.EncodeInvalidUtf8)
|
||
|
||
// ByName returns the encoder for a give backend name or nil
|
||
func ByName(name string) encoder.Encoder {
|
||
switch strings.ToLower(name) {
|
||
case "base":
|
||
return Base
|
||
case "display":
|
||
return Display
|
||
case "amazonclouddrive":
|
||
return AmazonCloudDrive
|
||
//case "azureblob":
|
||
case "b2":
|
||
return B2
|
||
case "box":
|
||
return Box
|
||
//case "cache":
|
||
case "drive":
|
||
return Drive
|
||
case "dropbox":
|
||
return Dropbox
|
||
//case "ftp":
|
||
case "googlecloudstorage":
|
||
return GoogleCloudStorage
|
||
//case "http":
|
||
//case "hubic":
|
||
case "jottacloud":
|
||
return JottaCloud
|
||
case "koofr":
|
||
return Koofr
|
||
case "local":
|
||
return Local()
|
||
case "local-windows", "windows":
|
||
return LocalWindows
|
||
case "local-unix", "unix":
|
||
return LocalUnix
|
||
case "mega":
|
||
return Mega
|
||
case "onedrive":
|
||
return OneDrive
|
||
case "opendrive":
|
||
return OpenDrive
|
||
case "pcloud":
|
||
return Pcloud
|
||
//case "qingstor":
|
||
//case "s3":
|
||
//case "sftp":
|
||
//case "swift":
|
||
//case "webdav":
|
||
//case "yandex":
|
||
default:
|
||
return nil
|
||
}
|
||
}
|
||
|
||
// Local returns the local encoding for the current platform
|
||
func Local() encoder.MultiEncoder {
|
||
if runtime.GOOS == "windows" {
|
||
return LocalWindows
|
||
}
|
||
return LocalUnix
|
||
}
|
||
|
||
// Names returns the list of known encodings as accepted by ByName
|
||
func Names() []string {
|
||
return []string{
|
||
"base",
|
||
"display",
|
||
"amazonclouddrive",
|
||
"b2",
|
||
"box",
|
||
"drive",
|
||
"dropbox",
|
||
"googlecloudstorage",
|
||
"jottacloud",
|
||
"koofr",
|
||
"local-unix",
|
||
"local-windows",
|
||
"local",
|
||
"mega",
|
||
"onedrive",
|
||
"opendrive",
|
||
"pcloud",
|
||
}
|
||
}
|