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Parse.ipFromSDP function.

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This commit is contained in:
David Fifield 2017-08-15 17:09:53 -07:00
parent ae0643320e
commit 0c7ddeb1d0
2 changed files with 122 additions and 0 deletions
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111
proxy/spec/util.spec.coffee
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@ -90,6 +90,117 @@ describe 'Parse', ->
expect Parse.address '[1:2::ffff:1.2.3.4]:4444'
.toEqual { host: '1:2::ffff:1.2.3.4', port: 4444 }
describe 'ipFromSDP', ->
testCases = [
# https://tools.ietf.org/html/rfc4566#section-5
sdp: """
v=0
o=jdoe 2890844526 2890842807 IN IP4 10.47.16.5
s=SDP Seminar
i=A Seminar on the session description protocol
u=http://www.example.com/seminars/sdp.pdf
e=j.doe@example.com (Jane Doe)
c=IN IP4 224.2.17.12/127
t=2873397496 2873404696
a=recvonly
m=audio 49170 RTP/AVP 0
m=video 51372 RTP/AVP 99
a=rtpmap:99 h263-1998/90000
"""
expected: '224.2.17.12'
,
# Missing c= line
sdp: """
v=0
o=jdoe 2890844526 2890842807 IN IP4 10.47.16.5
s=SDP Seminar
i=A Seminar on the session description protocol
u=http://www.example.com/seminars/sdp.pdf
e=j.doe@example.com (Jane Doe)
t=2873397496 2873404696
a=recvonly
m=audio 49170 RTP/AVP 0
m=video 51372 RTP/AVP 99
a=rtpmap:99 h263-1998/90000
"""
expected: undefined
,
# Single line, IP address only
sdp: "c=IN IP4 224.2.1.1\n"
expected: '224.2.1.1'
,
# Same, with TTL
sdp: "c=IN IP4 224.2.1.1/127\n"
expected: '224.2.1.1'
,
# Same, with TTL and multicast addresses
sdp: "c=IN IP4 224.2.1.1/127/3\n"
expected: '224.2.1.1'
,
# IPv6, address only
sdp: "c=IN IP6 FF15::101\n"
expected: 'ff15::101'
,
# Same, with multicast addresses
sdp: "c=IN IP6 FF15::101/3\n"
expected: 'ff15::101'
,
# Multiple c= lines
sdp: """
c=IN IP4 1.2.3.4
c=IN IP4 5.6.7.8
"""
expected: '1.2.3.4'
,
# Modified from SDP sent by snowflake-client.
sdp: """
v=0
o=- 7860378660295630295 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE data
a=msid-semantic: WMS
m=application 54653 DTLS/SCTP 5000
c=IN IP4 1.2.3.4
a=candidate:3581707038 1 udp 2122260223 192.168.0.1 54653 typ host generation 0 network-id 1 network-cost 50
a=candidate:2617212910 1 tcp 1518280447 192.168.0.1 59673 typ host tcptype passive generation 0 network-id 1 network-cost 50
a=candidate:2082671819 1 udp 1686052607 1.2.3.4 54653 typ srflx raddr 192.168.0.1 rport 54653 generation 0 network-id 1 network-cost 50
a=ice-ufrag:IBdf
a=ice-pwd:G3lTrrC9gmhQx481AowtkhYz
a=fingerprint:sha-256 53:F8:84:D9:3C:1F:A0:44:AA:D6:3C:65:80:D3:CB:6F:23:90:17:41:06:F9:9C:10:D8:48:4A:A8:B6:FA:14:A1
a=setup:actpass
a=mid:data
a=sctpmap:5000 webrtc-datachannel 1024
"""
expected: '1.2.3.4'
,
# Improper character within IPv4
sdp: """
c=IN IP4 224.2z.1.1
"""
expected: undefined
,
# Improper character within IPv6
sdp: """
c=IN IP6 ff15:g::101
"""
expected: undefined
,
# Bogus "IP7" addrtype
sdp: "c=IN IP7 1.2.3.4\n"
expected: undefined
]
it 'parses SDP', ->
for test in testCases
# https://tools.ietf.org/html/rfc4566#section-5: "The sequence # CRLF
# (0x0d0a) is used to end a record, although parsers SHOULD be tolerant
# and also accept records terminated with a single newline character."
# We represent the test cases with LF line endings for convenience, and
# test them both that way and with CRLF line endings.
expect(Parse.ipFromSDP(test.sdp)?.toLowerCase()).toEqual(test.expected)
expect(Parse.ipFromSDP(test.sdp.replace(/\n/, "\r\n"))?.toLowerCase()).toEqual(test.expected)
describe 'query string', ->
it 'should parse correctly', ->
expect Query.parse ''