# CORS (Cross-Origin Resource Sharing) { #cors-cross-origin-resource-sharing }

[CORS veya "Cross-Origin Resource Sharing"](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS), tarayıcıda çalışan bir frontend’in JavaScript kodunun bir backend ile iletişim kurduğu ve backend’in frontend’den farklı bir "origin"de olduğu durumları ifade eder.

## Origin { #origin }

                    index = i;
                    break;
                }
            }

            stringPart = new StringItem(value.substring(0, index), true);
            digitPart = parseItem(true, value.substring(index));
        }

        @Override
        public int compareTo(Item item) {
            if (item == null) {
                // 1-rc1 < 1, 1-ga1 > 1

            return null;
        }

        final int length = messageCode.length();
        if (length > CODE_NUMBER_LENGTH) {
            final String key = messageCode.charAt(0) + messageCode.substring(length - CODE_NUMBER_LENGTH);
            final String pattern = ResourceBundleUtil.getString(resourceBundle, key);
            if (pattern != null) {
                return pattern;
            }
        }

                break;
            case 5:
                if (ch == '=') {
                    key = str.substring(mark, si).trim();
                    mark = si + 1;
                } else if (ch == ',' || ch == ']') {
                    final String val = str.substring(mark, si).trim();
                    mark = si + 1;
                    if (key == null) {
                        key = "endpoint";
                    }

    }

    @AfterEach
    void tearDown() throws Exception {
        validator = null;
    }

    private void assertContains(String msg, String substring) {
        assertTrue(msg.contains(substring), "\"" + substring + "\" was not found in: " + msg);
    }

    @Test
    void testValidate() {
        Settings model = new Settings();
        Profile prof = new Profile();
        prof.setId("xxx");

      if (colonPos >= 0 && hostPortString.indexOf(':', colonPos + 1) == -1) {
        // Exactly 1 colon. Split into host:port.
        host = hostPortString.substring(0, colonPos);
        portString = hostPortString.substring(colonPos + 1);
      } else {
        // 0 or 2+ colons. Bare hostname or IPv6 literal.
        host = hostPortString;
        hasBracketlessColons = colonPos >= 0;
      }
    }

	CastType string      `parser:" \"AS\" @(\"BOOL\" | \"INT\" | \"INTEGER\" | \"STRING\" | \"FLOAT\" | \"DECIMAL\" | \"NUMERIC\" | \"TIMESTAMP\") \")\" "`
}

// SubstringFunc represents SUBSTRING sql function
type SubstringFunc struct {
	Expr *PrimaryTerm `parser:" \"SUBSTRING\" \"(\" @@ "`
	From *Operand     `parser:" ( \"FROM\" @@ "`
	For  *Operand     `parser:"   (\"FOR\" @@)? \")\" "`
	Arg2 *Operand     `parser:" | \",\" @@ "`

    private final boolean unsharedFile;

    private SmbFileHandleImpl handle;

    private final int sharing;

    /**
     * Instantiate a random access file from URL
     *
     * @param url the SMB URL of the file to access
     * @param mode the access mode ("r" for read-only, "rw" for read-write)
     * @param sharing the sharing flags for file access
     * @param tc the CIFS context to use for the connection

        int idx = distributionUrl.indexOf('=');
        if (idx < 0) {
            throw new IllegalStateException("Malformed distributionUrl line: " + distributionUrl);
        }
        String url = distributionUrl.substring(idx + 1).trim();

        Matcher m = WRAPPER_VERSION_EXTRACT.matcher(url);
        if (!m.matches()) {
            throw new IllegalStateException("Could not extract wrapper version from distributionUrl: " + url);

  }

  @Test
  fun truncatedMetadataEntry() {
    val response =
      testCorruptingCache {
        corruptMetadata {
          // truncate metadata to 1/4 of length
          it.substring(0, it.length / 4)
        }
      }

    assertThat(response.body.string()).isEqualTo("ABC.2") // not cached
    assertThat(cache.requestCount()).isEqualTo(2)
    assertThat(cache.networkCount()).isEqualTo(2)