Package socialmediasteganography

Class SocialMediaSteganographyImpl

java.lang.Object

socialmediasteganography.SocialMediaSteganographyImpl

All Implemented Interfaces:

SocialMediaSteganography

public class SocialMediaSteganographyImpl
extends java.lang.Object
implements SocialMediaSteganography

Constructor Summary

Constructors

Constructor	Description
SocialMediaSteganographyImpl()

Method Summary

Modifier and Type	Method	Description
byte[]	decodeCarrier(MediaType mediaType, byte[] carrier)	Decodes hidden payload from carrier
boolean	encodeAndPost(APINames apiNames, java.lang.String keyword, byte[] carrier, byte[] payload, MediaType mediaType)	Encodes payload in carrier and posts the result to socialMedia
boolean	encodeAndPost(APINames apiNames, java.lang.String keyword, byte[] carrier, byte[] payload, MediaType mediaType, Token token)	Loads carrier from file path and uses encodeAndPost
boolean	encodeAndPost(APINames apiNames, java.lang.String keyword, java.lang.String path, byte[] payload, MediaType mediaType)	Loads carrier from file path and uses encodeAndPost
byte[]	encodeCarrier(byte[] carrier, byte[] payload, MediaType mediaType)	Encodes payload into carrier for a given mediatype
byte[][]	getMediaAndDecode(java.lang.String keyword, APINames apiNames, MediaType mediaType)	Gets Media for a certain Keyword and checks if it is a steganographic picture.
boolean	postToSocialMedia(byte[] carrier, APINames apiNames, java.lang.String keyword, MediaType mediaType)	Post media to Social Media, if no Token is given set Parameter beforehand e.g.
boolean	postToSocialMedia(byte[] carrier, APINames apiNames, java.lang.String keyword, MediaType mediaType, Token token)	Post media to Social Media
void	saveEncodedPicture(byte[] carrier, byte[] payload, MediaType mediaType, java.lang.String savepath)	Save encoded Media to given path as a file
void	saveEncodePicture(java.lang.String filepath, MediaType mediaType, byte[] payload, java.lang.String savepath)	Load Media from a file and save encoded Media to given path as a file
void	setSeed(java.lang.Long seed)	Set the seed for decoding or encoding
SocialMedia	subscribeToSocialMedia(java.lang.String keyword, APINames apiNames)	Subscribes a keyword to a social media

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SocialMediaSteganographyImpl

public SocialMediaSteganographyImpl()

Method Detail

encodeAndPost

public boolean encodeAndPost(APINames apiNames,
                             java.lang.String keyword,
                             byte[] carrier,
                             byte[] payload,
                             MediaType mediaType,
                             Token token)
                      throws UnsupportedMediaTypeException,
                             MediaNotFoundException,
                             MediaCapacityException,
                             MediaReassemblingException,
                             java.io.IOException

Description copied from interface: SocialMediaSteganography

Loads carrier from file path and uses encodeAndPost

Specified by:

encodeAndPost in interface SocialMediaSteganography

Parameters:

apiNames - API Name

keyword - The name under which the carrier is posted to social Media

carrier - data used to encode the payload in

payload - payload to encode

mediaType - The type of the carrier (e.g. PNG.GIF)

token - Token class with tokens for Social Media

Returns:

boolean true, when carrier is successfully posted

Throws:

UnsupportedMediaTypeException - if the MediaType is not supported

MediaNotFoundException - if f the intended media (e.g. Image, Video, ...) could not be read from data

MediaCapacityException - if the payload doesn't fit in the carrier

MediaReassemblingException - if a problem occurred during writing of the result media

java.io.IOException - if there is a problem with reading Data from carrier or payload

See Also:

SocialMediaSteganography.encodeAndPost(APINames, String, byte[], byte[], MediaType)

encodeAndPost

public boolean encodeAndPost(APINames apiNames,
                             java.lang.String keyword,
                             byte[] carrier,
                             byte[] payload,
                             MediaType mediaType)
                      throws UnsupportedMediaTypeException,
                             MediaNotFoundException,
                             MediaCapacityException,
                             MediaReassemblingException,
                             java.io.IOException

Description copied from interface: SocialMediaSteganography

Encodes payload in carrier and posts the result to socialMedia

Specified by:

encodeAndPost in interface SocialMediaSteganography

Parameters:

apiNames - API Name

keyword - The name under which the carrier is posted to social Media

carrier - data used to encode the payload in

payload - payload to encode

mediaType - The type of the carrier (e.g. PNG.GIF)

Returns:

boolean true, when carrier is successfully posted

Throws:

UnsupportedMediaTypeException - if the MediaType is not supported

MediaNotFoundException - if f the intended media (e.g. Image, Video, ...) could not be read from data

MediaCapacityException - if the payload doesn't fit in the carrier

MediaReassemblingException - if a problem occurred during writing of the result media

java.io.IOException - if there is a problem with reading Data from carrier or payload

encodeAndPost

public boolean encodeAndPost(APINames apiNames,
                             java.lang.String keyword,
                             java.lang.String path,
                             byte[] payload,
                             MediaType mediaType)
                      throws java.io.IOException,
                             UnsupportedMediaTypeException,
                             MediaNotFoundException,
                             MediaReassemblingException,
                             MediaCapacityException

Description copied from interface: SocialMediaSteganography

Loads carrier from file path and uses encodeAndPost

Specified by:

encodeAndPost in interface SocialMediaSteganography

Parameters:

apiNames - API Name

keyword - The name under which the carrier is posted to social Media

path - Path to a Media file

payload - payload to encode

mediaType - The type of the carrier (e.g. PNG.GIF)

Returns:

boolean true, when carrier is successfully posted

Throws:

java.io.IOException - if there is a problem with reading Data from carrier or payload

UnsupportedMediaTypeException - if the MediaType is not supported

MediaNotFoundException - if f the intended media (e.g. Image, Video, ...) could not be read from data

MediaReassemblingException - if a problem occurred during writing of the result media

MediaCapacityException - if the payload doesn't fit in the carrier

See Also:

SocialMediaSteganography.encodeAndPost(APINames, String, byte[], byte[], MediaType)

saveEncodedPicture

public void saveEncodedPicture(byte[] carrier,
                               byte[] payload,
                               MediaType mediaType,
                               java.lang.String savepath)
                        throws UnsupportedMediaTypeException,
                               MediaNotFoundException,
                               MediaCapacityException,
                               MediaReassemblingException,
                               java.io.IOException

Description copied from interface: SocialMediaSteganography

Save encoded Media to given path as a file

Specified by:

saveEncodedPicture in interface SocialMediaSteganography

Parameters:

carrier - data used to encode the payload in

payload - payload to encode

mediaType - The type of the carrier (e.g. PNG.GIF)

savepath - The path to which the generated file is saved

Throws:

UnsupportedMediaTypeException - if the MediaType is not supported

MediaNotFoundException - if f the intended media (e.g. Image, Video, ...) could not be read from data

MediaCapacityException - if the payload doesn't fit in the carrier

MediaReassemblingException - if a problem occurred during writing of the result media

java.io.IOException - if there is a problem with reading Data from carrier or payload

saveEncodePicture

public void saveEncodePicture(java.lang.String filepath,
                              MediaType mediaType,
                              byte[] payload,
                              java.lang.String savepath)
                       throws java.io.IOException,
                              UnsupportedMediaTypeException,
                              MediaNotFoundException,
                              MediaReassemblingException,
                              MediaCapacityException

Description copied from interface: SocialMediaSteganography

Load Media from a file and save encoded Media to given path as a file

Specified by:

saveEncodePicture in interface SocialMediaSteganography

Parameters:

filepath - the path to the file thath needs to be encoded

mediaType - The type of the carrier (e.g. PNG.GIF)

payload - payload to encode

savepath - The path to which the generated file is saved

Throws:

java.io.IOException - if there is a problem with reading Data from carrier or payload

UnsupportedMediaTypeException - if the MediaType is not supported

MediaNotFoundException - if f the intended media (e.g. Image, Video, ...) could not be read from data

MediaReassemblingException - if a problem occurred during writing of the result media

MediaCapacityException - if the payload doesn't fit in the carrier

See Also:

SocialMediaSteganography.saveEncodedPicture(byte[], byte[], MediaType, String)

postToSocialMedia

public boolean postToSocialMedia(byte[] carrier,
                                 APINames apiNames,
                                 java.lang.String keyword,
                                 MediaType mediaType)

Description copied from interface: SocialMediaSteganography

Post media to Social Media, if no Token is given set Parameter beforehand e.g. Tumbler.setApiKey = "..." and Tumbler.setApiSecretKey

Specified by:

postToSocialMedia in interface SocialMediaSteganography

Parameters:

carrier - data that should be uploaded

apiNames - API Name

keyword - The name under which the carrier is posted to social Media

mediaType - The type of the carrier (e.g. PNG.GIF)

Returns:

boolean true when carrier was successfully posted

postToSocialMedia

public boolean postToSocialMedia(byte[] carrier,
                                 APINames apiNames,
                                 java.lang.String keyword,
                                 MediaType mediaType,
                                 Token token)

Description copied from interface: SocialMediaSteganography

Post media to Social Media

Specified by:

postToSocialMedia in interface SocialMediaSteganography

Parameters:

carrier - data that should be uploaded

apiNames - API Name

keyword - The name under which the carrier is posted to social Media

mediaType - The type of the carrier (e.g. PNG.GIF)

token - The token used to access Social Media

Returns:

boolean true when carrier was successfully posted

encodeCarrier

public byte[] encodeCarrier(byte[] carrier,
                            byte[] payload,
                            MediaType mediaType)
                     throws UnsupportedMediaTypeException,
                            MediaCapacityException,
                            MediaNotFoundException,
                            MediaReassemblingException,
                            java.io.IOException

Description copied from interface: SocialMediaSteganography

Encodes payload into carrier for a given mediatype

Specified by:

encodeCarrier in interface SocialMediaSteganography

Parameters:

carrier - data used to encode the payload in

payload - payload to encode

mediaType - The type of the carrier (e.g. PNG.GIF)

Returns:

byte[] carrier with encoded payload

Throws:

UnsupportedMediaTypeException - if the MediaType is not supported

MediaCapacityException - if the payload doesn't fit in the carrier

MediaNotFoundException - if f the intended media (e.g. Image, Video, ...) could not be read from data

MediaReassemblingException - if a problem occurred during writing of the result media

java.io.IOException - if there is a problem with reading Data from carrier or payload

subscribeToSocialMedia

public SocialMedia subscribeToSocialMedia(java.lang.String keyword,
                                          APINames apiNames)

Description copied from interface: SocialMediaSteganography

Subscribes a keyword to a social media

Specified by:

subscribeToSocialMedia in interface SocialMediaSteganography

Parameters:

keyword - The name under which the carrier is posted to social Media

apiNames - API Name

Returns:

Social Media The Social Media Class that can be used for interacting with given API

getMediaAndDecode

public byte[][] getMediaAndDecode(java.lang.String keyword,
                                  APINames apiNames,
                                  MediaType mediaType)

Description copied from interface: SocialMediaSteganography

Gets Media for a certain Keyword and checks if it is a steganographic picture. If it is, proceeds to decode the picture and return payload

Specified by:

getMediaAndDecode in interface SocialMediaSteganography

Parameters:

keyword - keyword under which the media was posted

apiNames - name of the api used

mediaType - media type in which the payload is decoded

Returns:

payloads all payloads that could be read

decodeCarrier

public byte[] decodeCarrier(MediaType mediaType,
                            byte[] carrier)
                     throws UnsupportedMediaTypeException,
                            UnknownStegFormatException,
                            MediaNotFoundException,
                            java.io.IOException

Description copied from interface: SocialMediaSteganography

Decodes hidden payload from carrier

Specified by:

decodeCarrier in interface SocialMediaSteganography

Parameters:

mediaType - The type of the carrier (e.g. PNG.GIF)

carrier - data with encoded payload

Returns:

payload decoded payload

Throws:

UnsupportedMediaTypeException - if the MediaType is not supported

UnknownStegFormatException - UnknownStegFormatException

MediaNotFoundException - if the intended media (e.g. Image, Video, ...) could not be read from steganographicData

java.io.IOException - if a problem occurs during reading of steganographicData

setSeed

public void setSeed(java.lang.Long seed)

Description copied from interface: SocialMediaSteganography

Set the seed for decoding or encoding

Specified by:

setSeed in interface SocialMediaSteganography

Parameters:

seed - The seed to initialize random function