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Diffstat (limited to 'vanilla/node_modules/undici/lib/util/date.js')
| -rw-r--r-- | vanilla/node_modules/undici/lib/util/date.js | 653 |
1 files changed, 0 insertions, 653 deletions
diff --git a/vanilla/node_modules/undici/lib/util/date.js b/vanilla/node_modules/undici/lib/util/date.js deleted file mode 100644 index 99dd150..0000000 --- a/vanilla/node_modules/undici/lib/util/date.js +++ /dev/null @@ -1,653 +0,0 @@ -'use strict' - -/** - * @see https://www.rfc-editor.org/rfc/rfc9110.html#name-date-time-formats - * - * @param {string} date - * @returns {Date | undefined} - */ -function parseHttpDate (date) { - // Sun, 06 Nov 1994 08:49:37 GMT ; IMF-fixdate - // Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format - // Sunday, 06-Nov-94 08:49:37 GMT ; obsolete RFC 850 format - - switch (date[3]) { - case ',': return parseImfDate(date) - case ' ': return parseAscTimeDate(date) - default: return parseRfc850Date(date) - } -} - -/** - * @see https://httpwg.org/specs/rfc9110.html#preferred.date.format - * - * @param {string} date - * @returns {Date | undefined} - */ -function parseImfDate (date) { - if ( - date.length !== 29 || - date[4] !== ' ' || - date[7] !== ' ' || - date[11] !== ' ' || - date[16] !== ' ' || - date[19] !== ':' || - date[22] !== ':' || - date[25] !== ' ' || - date[26] !== 'G' || - date[27] !== 'M' || - date[28] !== 'T' - ) { - return undefined - } - - let weekday = -1 - if (date[0] === 'S' && date[1] === 'u' && date[2] === 'n') { // Sunday - weekday = 0 - } else if (date[0] === 'M' && date[1] === 'o' && date[2] === 'n') { // Monday - weekday = 1 - } else if (date[0] === 'T' && date[1] === 'u' && date[2] === 'e') { // Tuesday - weekday = 2 - } else if (date[0] === 'W' && date[1] === 'e' && date[2] === 'd') { // Wednesday - weekday = 3 - } else if (date[0] === 'T' && date[1] === 'h' && date[2] === 'u') { // Thursday - weekday = 4 - } else if (date[0] === 'F' && date[1] === 'r' && date[2] === 'i') { // Friday - weekday = 5 - } else if (date[0] === 'S' && date[1] === 'a' && date[2] === 't') { // Saturday - weekday = 6 - } else { - return undefined // Not a valid day of the week - } - - let day = 0 - if (date[5] === '0') { - // Single digit day, e.g. "Sun Nov 6 08:49:37 1994" - const code = date.charCodeAt(6) - if (code < 49 || code > 57) { - return undefined // Not a digit - } - day = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(5) - if (code1 < 49 || code1 > 51) { - return undefined // Not a digit between 1 and 3 - } - const code2 = date.charCodeAt(6) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - day = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let monthIdx = -1 - if ( - (date[8] === 'J' && date[9] === 'a' && date[10] === 'n') - ) { - monthIdx = 0 // Jan - } else if ( - (date[8] === 'F' && date[9] === 'e' && date[10] === 'b') - ) { - monthIdx = 1 // Feb - } else if ( - (date[8] === 'M' && date[9] === 'a') - ) { - if (date[10] === 'r') { - monthIdx = 2 // Mar - } else if (date[10] === 'y') { - monthIdx = 4 // May - } else { - return undefined // Invalid month - } - } else if ( - (date[8] === 'J') - ) { - if (date[9] === 'a' && date[10] === 'n') { - monthIdx = 0 // Jan - } else if (date[9] === 'u') { - if (date[10] === 'n') { - monthIdx = 5 // Jun - } else if (date[10] === 'l') { - monthIdx = 6 // Jul - } else { - return undefined // Invalid month - } - } else { - return undefined // Invalid month - } - } else if ( - (date[8] === 'A') - ) { - if (date[9] === 'p' && date[10] === 'r') { - monthIdx = 3 // Apr - } else if (date[9] === 'u' && date[10] === 'g') { - monthIdx = 7 // Aug - } else { - return undefined // Invalid month - } - } else if ( - (date[8] === 'S' && date[9] === 'e' && date[10] === 'p') - ) { - monthIdx = 8 // Sep - } else if ( - (date[8] === 'O' && date[9] === 'c' && date[10] === 't') - ) { - monthIdx = 9 // Oct - } else if ( - (date[8] === 'N' && date[9] === 'o' && date[10] === 'v') - ) { - monthIdx = 10 // Nov - } else if ( - (date[8] === 'D' && date[9] === 'e' && date[10] === 'c') - ) { - monthIdx = 11 // Dec - } else { - // Not a valid month - return undefined - } - - const yearDigit1 = date.charCodeAt(12) - if (yearDigit1 < 48 || yearDigit1 > 57) { - return undefined // Not a digit - } - const yearDigit2 = date.charCodeAt(13) - if (yearDigit2 < 48 || yearDigit2 > 57) { - return undefined // Not a digit - } - const yearDigit3 = date.charCodeAt(14) - if (yearDigit3 < 48 || yearDigit3 > 57) { - return undefined // Not a digit - } - const yearDigit4 = date.charCodeAt(15) - if (yearDigit4 < 48 || yearDigit4 > 57) { - return undefined // Not a digit - } - const year = (yearDigit1 - 48) * 1000 + (yearDigit2 - 48) * 100 + (yearDigit3 - 48) * 10 + (yearDigit4 - 48) - - let hour = 0 - if (date[17] === '0') { - const code = date.charCodeAt(18) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - hour = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(17) - if (code1 < 48 || code1 > 50) { - return undefined // Not a digit between 0 and 2 - } - const code2 = date.charCodeAt(18) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - if (code1 === 50 && code2 > 51) { - return undefined // Hour cannot be greater than 23 - } - hour = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let minute = 0 - if (date[20] === '0') { - const code = date.charCodeAt(21) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - minute = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(20) - if (code1 < 48 || code1 > 53) { - return undefined // Not a digit between 0 and 5 - } - const code2 = date.charCodeAt(21) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - minute = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let second = 0 - if (date[23] === '0') { - const code = date.charCodeAt(24) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - second = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(23) - if (code1 < 48 || code1 > 53) { - return undefined // Not a digit between 0 and 5 - } - const code2 = date.charCodeAt(24) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - second = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - const result = new Date(Date.UTC(year, monthIdx, day, hour, minute, second)) - return result.getUTCDay() === weekday ? result : undefined -} - -/** - * @see https://httpwg.org/specs/rfc9110.html#obsolete.date.formats - * - * @param {string} date - * @returns {Date | undefined} - */ -function parseAscTimeDate (date) { - // This is assumed to be in UTC - - if ( - date.length !== 24 || - date[7] !== ' ' || - date[10] !== ' ' || - date[19] !== ' ' - ) { - return undefined - } - - let weekday = -1 - if (date[0] === 'S' && date[1] === 'u' && date[2] === 'n') { // Sunday - weekday = 0 - } else if (date[0] === 'M' && date[1] === 'o' && date[2] === 'n') { // Monday - weekday = 1 - } else if (date[0] === 'T' && date[1] === 'u' && date[2] === 'e') { // Tuesday - weekday = 2 - } else if (date[0] === 'W' && date[1] === 'e' && date[2] === 'd') { // Wednesday - weekday = 3 - } else if (date[0] === 'T' && date[1] === 'h' && date[2] === 'u') { // Thursday - weekday = 4 - } else if (date[0] === 'F' && date[1] === 'r' && date[2] === 'i') { // Friday - weekday = 5 - } else if (date[0] === 'S' && date[1] === 'a' && date[2] === 't') { // Saturday - weekday = 6 - } else { - return undefined // Not a valid day of the week - } - - let monthIdx = -1 - if ( - (date[4] === 'J' && date[5] === 'a' && date[6] === 'n') - ) { - monthIdx = 0 // Jan - } else if ( - (date[4] === 'F' && date[5] === 'e' && date[6] === 'b') - ) { - monthIdx = 1 // Feb - } else if ( - (date[4] === 'M' && date[5] === 'a') - ) { - if (date[6] === 'r') { - monthIdx = 2 // Mar - } else if (date[6] === 'y') { - monthIdx = 4 // May - } else { - return undefined // Invalid month - } - } else if ( - (date[4] === 'J') - ) { - if (date[5] === 'a' && date[6] === 'n') { - monthIdx = 0 // Jan - } else if (date[5] === 'u') { - if (date[6] === 'n') { - monthIdx = 5 // Jun - } else if (date[6] === 'l') { - monthIdx = 6 // Jul - } else { - return undefined // Invalid month - } - } else { - return undefined // Invalid month - } - } else if ( - (date[4] === 'A') - ) { - if (date[5] === 'p' && date[6] === 'r') { - monthIdx = 3 // Apr - } else if (date[5] === 'u' && date[6] === 'g') { - monthIdx = 7 // Aug - } else { - return undefined // Invalid month - } - } else if ( - (date[4] === 'S' && date[5] === 'e' && date[6] === 'p') - ) { - monthIdx = 8 // Sep - } else if ( - (date[4] === 'O' && date[5] === 'c' && date[6] === 't') - ) { - monthIdx = 9 // Oct - } else if ( - (date[4] === 'N' && date[5] === 'o' && date[6] === 'v') - ) { - monthIdx = 10 // Nov - } else if ( - (date[4] === 'D' && date[5] === 'e' && date[6] === 'c') - ) { - monthIdx = 11 // Dec - } else { - // Not a valid month - return undefined - } - - let day = 0 - if (date[8] === ' ') { - // Single digit day, e.g. "Sun Nov 6 08:49:37 1994" - const code = date.charCodeAt(9) - if (code < 49 || code > 57) { - return undefined // Not a digit - } - day = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(8) - if (code1 < 49 || code1 > 51) { - return undefined // Not a digit between 1 and 3 - } - const code2 = date.charCodeAt(9) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - day = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let hour = 0 - if (date[11] === '0') { - const code = date.charCodeAt(12) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - hour = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(11) - if (code1 < 48 || code1 > 50) { - return undefined // Not a digit between 0 and 2 - } - const code2 = date.charCodeAt(12) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - if (code1 === 50 && code2 > 51) { - return undefined // Hour cannot be greater than 23 - } - hour = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let minute = 0 - if (date[14] === '0') { - const code = date.charCodeAt(15) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - minute = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(14) - if (code1 < 48 || code1 > 53) { - return undefined // Not a digit between 0 and 5 - } - const code2 = date.charCodeAt(15) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - minute = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let second = 0 - if (date[17] === '0') { - const code = date.charCodeAt(18) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - second = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(17) - if (code1 < 48 || code1 > 53) { - return undefined // Not a digit between 0 and 5 - } - const code2 = date.charCodeAt(18) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - second = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - const yearDigit1 = date.charCodeAt(20) - if (yearDigit1 < 48 || yearDigit1 > 57) { - return undefined // Not a digit - } - const yearDigit2 = date.charCodeAt(21) - if (yearDigit2 < 48 || yearDigit2 > 57) { - return undefined // Not a digit - } - const yearDigit3 = date.charCodeAt(22) - if (yearDigit3 < 48 || yearDigit3 > 57) { - return undefined // Not a digit - } - const yearDigit4 = date.charCodeAt(23) - if (yearDigit4 < 48 || yearDigit4 > 57) { - return undefined // Not a digit - } - const year = (yearDigit1 - 48) * 1000 + (yearDigit2 - 48) * 100 + (yearDigit3 - 48) * 10 + (yearDigit4 - 48) - - const result = new Date(Date.UTC(year, monthIdx, day, hour, minute, second)) - return result.getUTCDay() === weekday ? result : undefined -} - -/** - * @see https://httpwg.org/specs/rfc9110.html#obsolete.date.formats - * - * @param {string} date - * @returns {Date | undefined} - */ -function parseRfc850Date (date) { - let commaIndex = -1 - - let weekday = -1 - if (date[0] === 'S') { - if (date[1] === 'u' && date[2] === 'n' && date[3] === 'd' && date[4] === 'a' && date[5] === 'y') { - weekday = 0 // Sunday - commaIndex = 6 - } else if (date[1] === 'a' && date[2] === 't' && date[3] === 'u' && date[4] === 'r' && date[5] === 'd' && date[6] === 'a' && date[7] === 'y') { - weekday = 6 // Saturday - commaIndex = 8 - } - } else if (date[0] === 'M' && date[1] === 'o' && date[2] === 'n' && date[3] === 'd' && date[4] === 'a' && date[5] === 'y') { - weekday = 1 // Monday - commaIndex = 6 - } else if (date[0] === 'T') { - if (date[1] === 'u' && date[2] === 'e' && date[3] === 's' && date[4] === 'd' && date[5] === 'a' && date[6] === 'y') { - weekday = 2 // Tuesday - commaIndex = 7 - } else if (date[1] === 'h' && date[2] === 'u' && date[3] === 'r' && date[4] === 's' && date[5] === 'd' && date[6] === 'a' && date[7] === 'y') { - weekday = 4 // Thursday - commaIndex = 8 - } - } else if (date[0] === 'W' && date[1] === 'e' && date[2] === 'd' && date[3] === 'n' && date[4] === 'e' && date[5] === 's' && date[6] === 'd' && date[7] === 'a' && date[8] === 'y') { - weekday = 3 // Wednesday - commaIndex = 9 - } else if (date[0] === 'F' && date[1] === 'r' && date[2] === 'i' && date[3] === 'd' && date[4] === 'a' && date[5] === 'y') { - weekday = 5 // Friday - commaIndex = 6 - } else { - // Not a valid day name - return undefined - } - - if ( - date[commaIndex] !== ',' || - (date.length - commaIndex - 1) !== 23 || - date[commaIndex + 1] !== ' ' || - date[commaIndex + 4] !== '-' || - date[commaIndex + 8] !== '-' || - date[commaIndex + 11] !== ' ' || - date[commaIndex + 14] !== ':' || - date[commaIndex + 17] !== ':' || - date[commaIndex + 20] !== ' ' || - date[commaIndex + 21] !== 'G' || - date[commaIndex + 22] !== 'M' || - date[commaIndex + 23] !== 'T' - ) { - return undefined - } - - let day = 0 - if (date[commaIndex + 2] === '0') { - // Single digit day, e.g. "Sun Nov 6 08:49:37 1994" - const code = date.charCodeAt(commaIndex + 3) - if (code < 49 || code > 57) { - return undefined // Not a digit - } - day = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(commaIndex + 2) - if (code1 < 49 || code1 > 51) { - return undefined // Not a digit between 1 and 3 - } - const code2 = date.charCodeAt(commaIndex + 3) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - day = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let monthIdx = -1 - if ( - (date[commaIndex + 5] === 'J' && date[commaIndex + 6] === 'a' && date[commaIndex + 7] === 'n') - ) { - monthIdx = 0 // Jan - } else if ( - (date[commaIndex + 5] === 'F' && date[commaIndex + 6] === 'e' && date[commaIndex + 7] === 'b') - ) { - monthIdx = 1 // Feb - } else if ( - (date[commaIndex + 5] === 'M' && date[commaIndex + 6] === 'a' && date[commaIndex + 7] === 'r') - ) { - monthIdx = 2 // Mar - } else if ( - (date[commaIndex + 5] === 'A' && date[commaIndex + 6] === 'p' && date[commaIndex + 7] === 'r') - ) { - monthIdx = 3 // Apr - } else if ( - (date[commaIndex + 5] === 'M' && date[commaIndex + 6] === 'a' && date[commaIndex + 7] === 'y') - ) { - monthIdx = 4 // May - } else if ( - (date[commaIndex + 5] === 'J' && date[commaIndex + 6] === 'u' && date[commaIndex + 7] === 'n') - ) { - monthIdx = 5 // Jun - } else if ( - (date[commaIndex + 5] === 'J' && date[commaIndex + 6] === 'u' && date[commaIndex + 7] === 'l') - ) { - monthIdx = 6 // Jul - } else if ( - (date[commaIndex + 5] === 'A' && date[commaIndex + 6] === 'u' && date[commaIndex + 7] === 'g') - ) { - monthIdx = 7 // Aug - } else if ( - (date[commaIndex + 5] === 'S' && date[commaIndex + 6] === 'e' && date[commaIndex + 7] === 'p') - ) { - monthIdx = 8 // Sep - } else if ( - (date[commaIndex + 5] === 'O' && date[commaIndex + 6] === 'c' && date[commaIndex + 7] === 't') - ) { - monthIdx = 9 // Oct - } else if ( - (date[commaIndex + 5] === 'N' && date[commaIndex + 6] === 'o' && date[commaIndex + 7] === 'v') - ) { - monthIdx = 10 // Nov - } else if ( - (date[commaIndex + 5] === 'D' && date[commaIndex + 6] === 'e' && date[commaIndex + 7] === 'c') - ) { - monthIdx = 11 // Dec - } else { - // Not a valid month - return undefined - } - - const yearDigit1 = date.charCodeAt(commaIndex + 9) - if (yearDigit1 < 48 || yearDigit1 > 57) { - return undefined // Not a digit - } - const yearDigit2 = date.charCodeAt(commaIndex + 10) - if (yearDigit2 < 48 || yearDigit2 > 57) { - return undefined // Not a digit - } - - let year = (yearDigit1 - 48) * 10 + (yearDigit2 - 48) // Convert ASCII codes to number - - // RFC 6265 states that the year is in the range 1970-2069. - // @see https://datatracker.ietf.org/doc/html/rfc6265#section-5.1.1 - // - // 3. If the year-value is greater than or equal to 70 and less than or - // equal to 99, increment the year-value by 1900. - // 4. If the year-value is greater than or equal to 0 and less than or - // equal to 69, increment the year-value by 2000. - year += year < 70 ? 2000 : 1900 - - let hour = 0 - if (date[commaIndex + 12] === '0') { - const code = date.charCodeAt(commaIndex + 13) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - hour = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(commaIndex + 12) - if (code1 < 48 || code1 > 50) { - return undefined // Not a digit between 0 and 2 - } - const code2 = date.charCodeAt(commaIndex + 13) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - if (code1 === 50 && code2 > 51) { - return undefined // Hour cannot be greater than 23 - } - hour = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let minute = 0 - if (date[commaIndex + 15] === '0') { - const code = date.charCodeAt(commaIndex + 16) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - minute = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(commaIndex + 15) - if (code1 < 48 || code1 > 53) { - return undefined // Not a digit between 0 and 5 - } - const code2 = date.charCodeAt(commaIndex + 16) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - minute = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - let second = 0 - if (date[commaIndex + 18] === '0') { - const code = date.charCodeAt(commaIndex + 19) - if (code < 48 || code > 57) { - return undefined // Not a digit - } - second = code - 48 // Convert ASCII code to number - } else { - const code1 = date.charCodeAt(commaIndex + 18) - if (code1 < 48 || code1 > 53) { - return undefined // Not a digit between 0 and 5 - } - const code2 = date.charCodeAt(commaIndex + 19) - if (code2 < 48 || code2 > 57) { - return undefined // Not a digit - } - second = (code1 - 48) * 10 + (code2 - 48) // Convert ASCII codes to number - } - - const result = new Date(Date.UTC(year, monthIdx, day, hour, minute, second)) - return result.getUTCDay() === weekday ? result : undefined -} - -module.exports = { - parseHttpDate -} |