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Kevin R 2022-06-03 21:20:45 +02:00
parent 57d57508fb
commit b3764a5467
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2 changed files with 18 additions and 9 deletions
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24
lib/src/main/java/org/asamk/signal/manager/util/DataURI.java
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@ -9,25 +9,31 @@ import java.util.Optional;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Data URI record that follows RFC 2397.
*
* @param mediaType the media type. If empty, the default media type "text/plain" is used.
* @param parameter the list of parameters. Must be URL escaped encoded.
* @param data the data. If base64 is not given, the data is treated as ASCII string.
*/
@SuppressWarnings({"java:S6218"})
public record DataURI(String mediaType, Map<String, String> parameter, byte[] data) {
public static final Pattern DATA_URI_PATTERN = Pattern.compile(
"data:(?<type>.+?\\/.+?)?(?<parameters>;.+?)?(?<base64>;base64)?,(?<data>.+)",
"\\Adata:(?<type>.+?/.+?)?(?<parameters>;.+?=.+?)?(?<base64>;base64)?,(?<data>.+)\\z",
Pattern.CASE_INSENSITIVE);
public static final Pattern PARAMETER_PATTERN = Pattern.compile("\\G;(?<key>.+)=(?<value>.+)",
Pattern.CASE_INSENSITIVE);
public static final String DEFAULT_TYPE = "text/plain";
/**
* Generates a new {@link DataURI} object from the given string.
* Generates a new {@link DataURI} object that follows
* <a href="https://datatracker.ietf.org/doc/html/rfc2397">RFC 2397</a> from the given string.
* <p>
* The {@code dataURI} must be of the form:
* <p>
* {@code
* data:[<mediatype>][;base64],<data>
* }
* <p>
* The {@code <mediatype>} is an Internet media type specification (with
* optional parameters.) The appearance of ";base64" means that the data
* is encoded as base64. Without ";base64", the data is represented using (ASCII) URL Escaped encoding.
* If {@code <mediatype>} is omitted, it defaults to {@link DataURI#DEFAULT_TYPE}.
* Parameter values should use the URL Escaped encoding.
*
* @param dataURI the data URI
* @return a data URI object

3
man/signal-cli.1.adoc
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@ -231,6 +231,9 @@ Read the message from standard input.
*-a* [ATTACHMENT [ATTACHMENT ...]], *--attachment* [ATTACHMENT [ATTACHMENT ...]]::
Add one or more files as attachment.
Data URI encoded attachments can be added and must follow the RFC 2397.
Additionally a file name can be added:
e.g.: `data:<MIME-TYPE>;filename=<FILENAME>;base64,<BASE64 ENCODED DATA>`
*--sticker* STICKER::
Send a sticker of a locally known sticker pack (syntax: stickerPackId:stickerId).