#4471

Committed 04 Mar 2024 07:51PM CUT coverage: 100.0%. Remained the same

Build # #4471

Build Type

push

Committed by

Commit Message

Add a warning about logbook.write.max-body-size not preventing the buffering (#1777)

Run Details

3539 of 3539 relevant lines covered (100.0%)

1.0 hits per line

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/logbook-api/src/main/java/org/zalando/logbook/ContentType.java

package org.zalando.logbook;

import lombok.experimental.UtilityClass;

import javax.annotation.Nullable;
import java.nio.charset.Charset;
import java.nio.charset.IllegalCharsetNameException;
import java.nio.charset.StandardCharsets;
import java.nio.charset.UnsupportedCharsetException;


@UtilityClass
public class ContentType {

    @Nullable
    String parseMimeType(@Nullable String contentTypeValue) {
        if (contentTypeValue != null) {
            int indexOfSemicolon = contentTypeValue.indexOf(SEMICOLON);
            if (indexOfSemicolon != -1) {
                return contentTypeValue.substring(0, indexOfSemicolon);
            } else {
                return contentTypeValue.length() > 0 ? contentTypeValue : null;
            }
        }
        return null;
    }

    @Nullable
    public Charset parseCharset(@Nullable String contentTypeValue) {
        if (contentTypeValue != null) {
            String charsetRaw = null;

            int indexOfCharset = contentTypeValue.toLowerCase().indexOf(CHARSET_PREFIX);
            if (indexOfCharset != -1) {
                int indexOfEncoding = indexOfCharset + CHARSET_PREFIX.length();
                if (indexOfEncoding < contentTypeValue.length()) {
                    String charsetCandidate = contentTypeValue.substring(indexOfEncoding);
                    int indexOfSemicolon = charsetCandidate.indexOf(SEMICOLON);
                    charsetRaw = indexOfSemicolon == -1 ? charsetCandidate : charsetCandidate.substring(0, indexOfSemicolon);
                }
            }

            if (charsetRaw != null) {
                if (charsetRaw.length() > 2) {
                    if (charsetRaw.charAt(0) == '"' && charsetRaw.charAt(charsetRaw.length() - 1) == '"') {
                        charsetRaw = charsetRaw.substring(1, charsetRaw.length() - 1);
                    }
                }
                try {
                    return Charset.forName(charsetRaw);
                } catch (IllegalCharsetNameException | UnsupportedCharsetException ignored) {
                    // ignore
                }
            }
        }

        if (isJsonMediaType(contentTypeValue)) {
            /*
             * RFC 8259
             * JSON text exchanged between systems that are not part of a closed
             * ecosystem MUST be encoded using UTF-8.
             */
            return StandardCharsets.UTF_8;
        }
        return null;
    }

    public static boolean isJsonMediaType(@Nullable final String contentType) {
        if (contentType == null) {
            return false;
        }
        final String lowerCasedContentType = contentType.toLowerCase();
        if (lowerCasedContentType.startsWith("application/")) {
            String mediaType = parseMimeType(lowerCasedContentType);
            return mediaType.endsWith("/json") || mediaType.endsWith("+json");
        }
        return false;
    }

    public static final String CONTENT_TYPE_HEADER = "Content-Type";
    private static final String SEMICOLON = ";";
    private static final String CHARSET_PREFIX = "charset=";
}

1	package org.zalando.logbook;
2
3	import lombok.experimental.UtilityClass;
4
5	import javax.annotation.Nullable;
6	import java.nio.charset.Charset;
7	import java.nio.charset.IllegalCharsetNameException;
8	import java.nio.charset.StandardCharsets;
9	import java.nio.charset.UnsupportedCharsetException;
10
11
12	@UtilityClass
13	public class ContentType {
14
15	@Nullable
16	String parseMimeType(@Nullable String contentTypeValue) {
17	if (contentTypeValue != null) {	1✔
18	int indexOfSemicolon = contentTypeValue.indexOf(SEMICOLON);	1✔
19	if (indexOfSemicolon != -1) {	1✔
20	return contentTypeValue.substring(0, indexOfSemicolon);	1✔
21	} else {
22	return contentTypeValue.length() > 0 ? contentTypeValue : null;	1✔
23	}
24	}
25	return null;	1✔
26	}
27
28	@Nullable
29	public Charset parseCharset(@Nullable String contentTypeValue) {
30	if (contentTypeValue != null) {	1✔
31	String charsetRaw = null;	1✔
32
33	int indexOfCharset = contentTypeValue.toLowerCase().indexOf(CHARSET_PREFIX);	1✔
34	if (indexOfCharset != -1) {	1✔
35	int indexOfEncoding = indexOfCharset + CHARSET_PREFIX.length();	1✔
36	if (indexOfEncoding < contentTypeValue.length()) {	1✔
37	String charsetCandidate = contentTypeValue.substring(indexOfEncoding);	1✔
38	int indexOfSemicolon = charsetCandidate.indexOf(SEMICOLON);	1✔
39	charsetRaw = indexOfSemicolon == -1 ? charsetCandidate : charsetCandidate.substring(0, indexOfSemicolon);	1✔
40	}
41	}
42
43	if (charsetRaw != null) {	1✔
44	if (charsetRaw.length() > 2) {	1✔
45	if (charsetRaw.charAt(0) == '"' && charsetRaw.charAt(charsetRaw.length() - 1) == '"') {	1✔
46	charsetRaw = charsetRaw.substring(1, charsetRaw.length() - 1);	1✔
47	}
48	}
49	try {
50	return Charset.forName(charsetRaw);	1✔
51	} catch (IllegalCharsetNameException \| UnsupportedCharsetException ignored) {	1✔
52	// ignore
53	}
54	}
55	}
56
57	if (isJsonMediaType(contentTypeValue)) {	1✔
58	/*
59	* RFC 8259
60	* JSON text exchanged between systems that are not part of a closed
61	* ecosystem MUST be encoded using UTF-8.
62	*/
63	return StandardCharsets.UTF_8;	1✔
64	}
65	return null;	1✔
66	}
67
68	public static boolean isJsonMediaType(@Nullable final String contentType) {
69	if (contentType == null) {	1✔
70	return false;	1✔
71	}
72	final String lowerCasedContentType = contentType.toLowerCase();	1✔
73	if (lowerCasedContentType.startsWith("application/")) {	1✔
74	String mediaType = parseMimeType(lowerCasedContentType);	1✔
75	return mediaType.endsWith("/json") \|\| mediaType.endsWith("+json");	1✔
76	}
77	return false;	1✔
78	}
79
80	public static final String CONTENT_TYPE_HEADER = "Content-Type";
81	private static final String SEMICOLON = ";";
82	private static final String CHARSET_PREFIX = "charset=";
83	}

zalando / logbook / #4471

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