1 | HLTPCK2B ;OIFO-O/RJH - Message Header Validation (Con't) ;09/13/2006
|
---|
2 | ;;1.6;HEALTH LEVEL SEVEN;**120,133**;Oct 13, 1995;Build 13
|
---|
3 | ;Per VHA Directive 2004-038, this routine should not be modified.
|
---|
4 | ;
|
---|
5 | ; splitted from HLTPCK2A
|
---|
6 | ; to be called from HLTPCK2A
|
---|
7 | ;
|
---|
8 | MS ;Check for Message Structure Code
|
---|
9 | I $G(ARY("MTN_ETN"))'="" D
|
---|
10 | . S ARY("MTP_ETP")=0
|
---|
11 | . S ARY("MTP_ETP")=+$O(^HL(779.005,"B",ARY("MTN_ETN"),0))
|
---|
12 | . I ('ARY("MTP_ETP")) S:(ERR="") ERR="Invalid Message Structure Code" Q
|
---|
13 | ;
|
---|
14 | ;Get server and client Protocols
|
---|
15 | MSA ;if ack, then get information and quit, we don't need to respond
|
---|
16 | I $G(MSA)]"" D Q
|
---|
17 | . ;Message is an acknowledgement, find original message
|
---|
18 | . S ARY("MSAID")=$P(MSA,FS,2),ARY("MTIENS")=0
|
---|
19 | . I ARY("MSAID")="" S:(ERR="") ERR="Invalid Message Control ID in MSA Segment - No Message ID" Q
|
---|
20 | . F S ARY("MTIENS")=+$O(^HLMA("AH",ARY("SAP"),ARY("MSAID"),ARY("MTIENS"))) Q:'ARY("MTIENS")!($P($G(^HLMA(ARY("MTIENS"),0)),U,3)="O")
|
---|
21 | . I 'ARY("MTIENS") S:(ERR="") ERR="Invalid Message Control ID in MSA Segment - No message IEN in ""AH"" x-ref" Q
|
---|
22 | . ;get subscriber protocol and ack. to (show if this is an ack to an ack)
|
---|
23 | . S X=$G(^HLMA(ARY("MTIENS"),0)),ARY("EIDS")=$P(X,U,8),ARY("ACK")=$P(X,U,10)
|
---|
24 | . ;if no subscriber protocol then response msg. is invalid
|
---|
25 | . I ('ARY("EIDS")) S:(ERR="") ERR="Invalid Message Control ID in MSA Segment - No Subscr. IEN in 773" Q
|
---|
26 | . ;get message text ien in file 772 and server protocol, 'EID'
|
---|
27 | . S ARY("MTIEN")=+X,X=$G(^HL(772,+X,0)),ARY("EID")=$P(X,U,10)
|
---|
28 | . I ('ARY("EID")) S:(ERR="") ERR="Event Protocol not found" Q
|
---|
29 | . D EVENT^HLUTIL1(ARY("EIDS"),"770,773",.HLN)
|
---|
30 | ;
|
---|
31 | ;Find Server Protocol - based on sending application, message type,
|
---|
32 | ;event type and version ID
|
---|
33 | I ARY("ETP") S ARY("EID")=+$O(^ORD(101,"AHL1",ARY("SAP"),ARY("MTP"),ARY("ETP"),ARY("VEP"),0))
|
---|
34 | ;
|
---|
35 | ;Find Server Protocol - based on sending application, message type,
|
---|
36 | ;and version ID
|
---|
37 | I 'ARY("ETP") S ARY("EID")=+$O(^ORD(101,"AHL21",ARY("SAP"),ARY("MTP"),ARY("VEP"),0))
|
---|
38 | ;
|
---|
39 | I ('ARY("EID")) S:(ERR="") ERR="Event Protocol not found" Q
|
---|
40 | ;Find Client Protocol - in ITEM multiple of Server Protocol
|
---|
41 | S ARY("EIDS")=0
|
---|
42 | F S ARY("EIDS")=+$O(^ORD(101,ARY("EID"),775,"B",ARY("EIDS"))) Q:'ARY("EIDS")!($P($G(^ORD(101,ARY("EIDS"),770)),U,2)=ARY("RAP"))
|
---|
43 | I 'ARY("EIDS") S ERR="Invalid Receiving Application for this Event" Q
|
---|
44 | D EVENT^HLUTIL1(ARY("EIDS"),"770,773",.HLN)
|
---|
45 | ;
|
---|
46 | LLP ;Get logical link pointer
|
---|
47 | S ARY("LL")=$P($G(HLN(770)),"^",7)
|
---|
48 | ;
|
---|
49 | FAC ;Get sending/rec facility, validate if necessary
|
---|
50 | ;
|
---|
51 | S HLCS=$E(ECH,1) ;Get component separator
|
---|
52 | S ARY("RAF")=$$P^HLTPCK2(.HDR,6) ;Receiving Facility
|
---|
53 | S ARY("SAF")=$$P^HLTPCK2(.HDR,4) ;Sending Facility
|
---|
54 | ;Get sending/receiving facility from Application Parameter file(771)
|
---|
55 | S HL771SF=$P($G(^HL(771,ARY("SAP"),0)),U,3)
|
---|
56 | S HL771RF=$P($G(^HL(771,ARY("RAP"),0)),U,3)
|
---|
57 | ;Sending/Receiving facility required?
|
---|
58 | S X=$G(^ORD(101,ARY("EIDS"),773))
|
---|
59 | S HLSFREQ=+X,HLRFREQ=+$P(X,U,2)
|
---|
60 | RF ;Validate Receiving Facility
|
---|
61 | I HLRFREQ D
|
---|
62 | .I ARY("RAF")="" S:ERR="" ERR="Missing required receiving facility"
|
---|
63 | .I HL771RF]"" D Q
|
---|
64 | ..;Facility data in 771 overrides data in site paramter file
|
---|
65 | ..Q
|
---|
66 | .;Check against local default value (site parameters)
|
---|
67 | .Q:ARY("RAF")=(HLINSTN_HLCS_HLDOM_HLCS_"DNS")
|
---|
68 | .;
|
---|
69 | .; patch HL*1.6*120 start
|
---|
70 | .; I $P(ARY("RAF"),HLCS)=HLINSTN,$P(ARY("RAF"),HLCS,3)="DNS" D Q
|
---|
71 | . I $P(ARY("RAF"),HLCS,3)="DNS" D Q
|
---|
72 | .. N ERROR,HLDOMP1,HLDOMP2
|
---|
73 | .. ; S HLDOMP1=$P(ARY("RAF"),HLCS,2),HLDOMP1=$$FIND1^DIC(4.2,"","BMX",HLDOMP1,"B^C","","ERROR")
|
---|
74 | .. S HLDOMP1=$P(ARY("RAF"),HLCS,2)
|
---|
75 | .. ;
|
---|
76 | .. ; assume the format is <domain>:<port #>
|
---|
77 | .. I HLDOMP1[":" S ARY("RAF-PORT")=$P(HLDOMP1,":",2)
|
---|
78 | .. S HLDOMP1=$P(HLDOMP1,":")
|
---|
79 | .. S ARY("RAF-DOMAIN")=HLDOMP1
|
---|
80 | .. ;
|
---|
81 | .. ; if first piece of domain is "HL7." or "MPI.", remove it
|
---|
82 | .. I ($E(HLDOMP1,1,4)="HL7.")!($E(HLDOMP1,1,4)="MPI.") D
|
---|
83 | ... S HLDOMP1=$P(HLDOMP1,".",2,99)
|
---|
84 | .. S HLDOMP1=$$FIND1^DIC(4.2,"","BMX",HLDOMP1,"B^C","","ERROR")
|
---|
85 | .. S HLDOMP2=HLDOM,HLDOMP2=$$FIND1^DIC(4.2,"","BMX",HLDOMP2,"B^C","","ERROR")
|
---|
86 | .. I HLDOMP1&HLDOMP2&(HLDOMP1=HLDOMP2) Q
|
---|
87 | .. ;
|
---|
88 | .. ; check DNS domain and ip address
|
---|
89 | .. ;initialize variable, HLDOMP("FLAG")
|
---|
90 | .. S HLDOMP("FLAG")=0
|
---|
91 | .. I ARY("RAF-DOMAIN")]"" D
|
---|
92 | ... ;
|
---|
93 | ... ; match DNS domain
|
---|
94 | ... I $D(^HLCS(870,"DNS",ARY("RAF-DOMAIN"))) D Q
|
---|
95 | .... S HLDOMP("FLAG")=1
|
---|
96 | .... S ARY("RAF-LL")=+$O(^HLCS(870,"DNS",ARY("RAF-DOMAIN"),0))
|
---|
97 | ... I $D(^HLCS(870,"DNS",$$UP^XLFSTR(ARY("RAF-DOMAIN")))) D Q
|
---|
98 | .... S HLDOMP("FLAG")=1
|
---|
99 | .... S ARY("RAF-LL")=+$O(^HLCS(870,"DNS",$$UP^XLFSTR(ARY("RAF-DOMAIN")),0))
|
---|
100 | ... I $D(^HLCS(870,"DNS",$$LOW^XLFSTR(ARY("RAF-DOMAIN")))) D Q
|
---|
101 | .... S HLDOMP("FLAG")=1
|
---|
102 | .... S ARY("RAF-LL")=+$O(^HLCS(870,"DNS",$$LOW^XLFSTR(ARY("RAF-DOMAIN")),0))
|
---|
103 | ... ;
|
---|
104 | ... ; match ip address
|
---|
105 | ... I $D(^HLCS(870,"IP",ARY("RAF-DOMAIN"))) D Q
|
---|
106 | .... S HLDOMP("FLAG")=1
|
---|
107 | .... S ARY("RAF-LL")=+$O(^HLCS(870,"IP",ARY("RAF-DOMAIN"),0))
|
---|
108 | .. Q:HLDOMP("FLAG")=1
|
---|
109 | .. I $P(ARY("RAF"),HLCS)=HLINSTN Q
|
---|
110 | .. ;
|
---|
111 | .. S:ERR="" ERR="Receiving Facility mismatch."
|
---|
112 | . I $P(ARY("RAF"),HLCS)=HLINSTN Q
|
---|
113 | . S:ERR="" ERR="Receiving Facility mismatch."
|
---|
114 | ; patch HL*1.6*120 end
|
---|
115 | ;
|
---|
116 | SF ;Validate Sending Facility
|
---|
117 | I HLSFREQ D
|
---|
118 | .I ARY("SAF")="" S:ERR="" ERR="Missing required sending facility"
|
---|
119 | .I HL771SF]"" D Q
|
---|
120 | ..;Check for facility data in 771
|
---|
121 | ..Q
|
---|
122 | .;If default value was sent, validate that DOMAIN RESOLVES TO LOGICAL LINK
|
---|
123 | .;If so, use this instead of Protocol definition for return path
|
---|
124 | .;
|
---|
125 | .; patch HL*1.6*120 start
|
---|
126 | . N HLDOMP
|
---|
127 | . ; S HLDOMP=$P(ARY("SAF"),HLCS,2),HLDOMP=$$FIND1^DIC(4.2,"","BMX",HLDOMP,"B^C","","ERROR")
|
---|
128 | . S HLDOMP=$P(ARY("SAF"),HLCS,2)
|
---|
129 | . ;
|
---|
130 | . ; assume the format is <domain>:<port #>
|
---|
131 | . I HLDOMP[":" S ARY("SAF-PORT")=$P(HLDOMP,":",2)
|
---|
132 | . S HLDOMP=$P(HLDOMP,":")
|
---|
133 | . S ARY("SAF-DOMAIN")=HLDOMP
|
---|
134 | . ;
|
---|
135 | . ; if first piece of domain is "HL7." or "MPI.", remove it
|
---|
136 | . I ($E(HLDOMP,1,4)="HL7.")!($E(HLDOMP,1,4)="MPI.") D
|
---|
137 | .. S HLDOMP=$P(HLDOMP,".",2,99)
|
---|
138 | . S HLDOMP=$$FIND1^DIC(4.2,"","BMX",HLDOMP,"B^C","","ERROR")
|
---|
139 | .;Note: This expects a unique domain in domain file. Multiple entries will fail
|
---|
140 | . ; I 'HLDOMP S:ERR="" ERR="Unrecognized/ambiguous domain in sending facility"
|
---|
141 | . ;
|
---|
142 | . ; check DNS domain and ip address
|
---|
143 | . I 'HLDOMP D
|
---|
144 | .. ;
|
---|
145 | .. ;initialize variable, HLDOMP("FLAG")
|
---|
146 | .. S HLDOMP("FLAG")=0
|
---|
147 | .. I ARY("SAF-DOMAIN")]"" D
|
---|
148 | ... ;
|
---|
149 | ... ; match DNS domain
|
---|
150 | ... I $D(^HLCS(870,"DNS",ARY("SAF-DOMAIN"))) D Q
|
---|
151 | .... S HLDOMP("FLAG")=1
|
---|
152 | .... S ARY("SAF-LL")=+$O(^HLCS(870,"DNS",ARY("SAF-DOMAIN"),0))
|
---|
153 | ... I $D(^HLCS(870,"DNS",$$UP^XLFSTR(ARY("SAF-DOMAIN")))) D Q
|
---|
154 | .... S HLDOMP("FLAG")=1
|
---|
155 | .... S ARY("SAF-LL")=+$O(^HLCS(870,"DNS",$$UP^XLFSTR(ARY("SAF-DOMAIN")),0))
|
---|
156 | ... I $D(^HLCS(870,"DNS",$$LOW^XLFSTR(ARY("SAF-DOMAIN")))) D Q
|
---|
157 | .... S HLDOMP("FLAG")=1
|
---|
158 | .... S ARY("SAF-LL")=+$O(^HLCS(870,"DNS",$$LOW^XLFSTR(ARY("SAF-DOMAIN")),0))
|
---|
159 | ... ;
|
---|
160 | ... ; match ip address
|
---|
161 | ... I $D(^HLCS(870,"IP",ARY("SAF-DOMAIN"))) D Q
|
---|
162 | .... S HLDOMP("FLAG")=1
|
---|
163 | .... S ARY("SAF-LL")=+$O(^HLCS(870,"IP",ARY("SAF-DOMAIN"),0))
|
---|
164 | .. Q:HLDOMP("FLAG")=1
|
---|
165 | .. ; quit if 1st component defined
|
---|
166 | .. S ARY("SAF-COMPONENT1")=$P(ARY("SAF"),HLCS,1)
|
---|
167 | .. Q:ARY("SAF-COMPONENT1")]""
|
---|
168 | .. S:ERR="" ERR="Receiving Facility mismatch."
|
---|
169 | . ; patch HL*1.6*120 end
|
---|
170 | . ;
|
---|
171 | .Q:HLDOMP=$P(HLPARAM,U) ;This is local app to app
|
---|
172 | .I HLDOMP N HLNK S HLNK=+$O(^HLCS(870,"D",HLDOMP,0))
|
---|
173 | .I $G(HLNK) S ARY("LL")=HLNK
|
---|
174 | ;
|
---|
175 | PID ;Validate processing ID
|
---|
176 | I ("DTP"'[ARY("PID")) S:(ERR="") ERR="Invalid HL7 Processing ID"
|
---|
177 | S HLPID=$P(HLPARAM,U,3) ;site param
|
---|
178 | S X=$G(^ORD(101,ARY("EID"),770)),X=$P(X,U,6) ;event driver
|
---|
179 | ;If message is 'debug' then event driver must be 'debug.'
|
---|
180 | ;If message is 'test' or 'production', then site param must match
|
---|
181 | I ARY("PID")="D"&(X'="D") S:ERR="" ERR="Processing ID Mismatch with Event Driver"
|
---|
182 | I ARY("PID")'="D"&(HLPID'=ARY("PID")) S:ERR="" ERR="Processing ID Mismatch with Site Parameters"
|
---|
183 | ;
|
---|
184 | SEC ;Validate security field - access code and electronic signature
|
---|
185 | I ($P($G(HLN(773)),"^",3)) D
|
---|
186 | .S X=$P($$P^HLTPCK2(.HDR,8),$E(ECH))
|
---|
187 | .S X=$$UPPER^HLFNC(X)
|
---|
188 | .D ^XUSHSH
|
---|
189 | .I X="",(MSA="") S:(ERR="") ERR="Invalid access code" Q
|
---|
190 | .S ARY("DUZ")=0
|
---|
191 | .S:(X'="") ARY("DUZ")=+$O(^VA(200,"A",X,0))
|
---|
192 | .I ('ARY("DUZ")) S:(ERR="") ERR="Invalid access code" Q
|
---|
193 | .I (($P($G(^VA(200,ARY("DUZ"),.1)),"^")="")&('$D(MSA))) S ARY("DUZ")=0 S:(ERR="") ERR="Invalid access code" Q
|
---|
194 | .S X=$P($$P^HLTPCK2(.HDR,8),$E(ECH),3) I (X'="") D
|
---|
195 | ..S X1=$G(^VA(200,ARY("DUZ"),20))
|
---|
196 | ..I (X1="") S:(ERR="") ERR="No Signature Code on File" Q
|
---|
197 | ..S X=$$UPPER^HLFNC(X)
|
---|
198 | ..D HASH^XUSHSHP
|
---|
199 | ..I ((X'=$P(X1,"^",4))!($P(X1,"^",2)="")) S:(ERR="") ERR="Invalid Electronic Signature Code" Q
|
---|
200 | ..S ARY("ESIG")=$P(X1,"^",2)
|
---|
201 | I $D(ARY) M HLREC=ARY
|
---|
202 | Q
|
---|