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Decode: don't panic when date time is missing timezone #614

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merged 4 commits into from
Oct 7, 2021
Merged

Decode: don't panic when date time is missing timezone #614

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da98b91
fix: panic thrown for unexpected time
RiyaJohn Oct 4, 2021
4f3a195
fix: panic with invalid time value
RiyaJohn Oct 6, 2021
97a790c
Add test for issue 596
pelletier Oct 7, 2021
211ba31
Remove debug statement
pelletier Oct 7, 2021
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14 changes: 4 additions & 10 deletions decode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package toml
import (
"fmt"
"math"
"regexp"
"strconv"
"time"
)
Expand Down Expand Up @@ -149,21 +150,14 @@ func parseLocalTime(b []byte) (LocalTime, []byte, error) {
t LocalTime
)

const localTimeByteLen = 8
if len(b) < localTimeByteLen {
// check if b matches to have expected format HH:MM:SS[.NNNNNN]
matched, err := regexp.Match(`\d{2}:\d{2}:\d{2}.*`, b)
if err != nil || !matched {
return t, nil, newDecodeError(b, "times are expected to have the format HH:MM:SS[.NNNNNN]")
}

t.Hour = parseDecimalDigits(b[0:2])
if b[2] != ':' {
return t, nil, newDecodeError(b[2:3], "expecting colon between hours and minutes")
}

t.Minute = parseDecimalDigits(b[3:5])
if b[5] != ':' {
return t, nil, newDecodeError(b[5:6], "expecting colon between minutes and seconds")
}

t.Second = parseDecimalDigits(b[6:8])

const minLengthWithFrac = 9
Expand Down
9 changes: 7 additions & 2 deletions unmarshaler_test.go
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Expand Up @@ -1885,12 +1885,17 @@ world'`,
{
desc: "bad char between hours and minutes",
data: `a = 2021-03-30 213:1:00`,
msg: `expecting colon between hours and minutes`,
msg: `times are expected to have the format HH:MM:SS[.NNNNNN]`,
},
{
desc: "bad char between minutes and seconds",
data: `a = 2021-03-30 21:312:0`,
msg: `expecting colon between minutes and seconds`,
msg: `times are expected to have the format HH:MM:SS[.NNNNNN]`,
},
{
desc: "invalid time part",
data: `a=1979-05-27T90:+2:99`,
msg: `times are expected to have the format HH:MM:SS[.NNNNNN]`,
},
{
desc: `binary with invalid digit`,
Expand Down