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Routine: PRCSC3

PRCSC3.m

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  1. PRCSC3 ;WISC/LEM-ESIG MAINTENANCE ROUTINE ; 08/02/93 8:12 AM
  1. V ;;5.1;IFCAP;**120**;Oct 20, 2000;Build 27
  1. ;Per VHA Directive 2004-038, this routine should not be modified.
  1. ;ROUTINE FOR MAINTAINING FIELD 44.8 (GPF ELECTRONIC SIGNATURE), FILE 410
  1. DECODE(LEVEL0) ;Extrinsic Function to return hashed electronic sig to readable form.
  1. ;returns "" if unsuccessful
  1. NEW RECORD7,RECORD71,VERSION,PERSON,SIG,CHECKSUM
  1. ;get record and check version
  1. S RECORD7=$G(^PRCS(410,LEVEL0,7)) I RECORD7="" QUIT ""
  1. S RECORD71=$G(^PRCS(410,LEVEL0,7.1))
  1. S VERSION=$P(RECORD71,"^",1)
  1. S PERSON=+$P(RECORD7,"^",8)
  1. I VERSION'="",VERSION'=1 Q ""
  1. S SIG=$P(RECORD7,"^",9)
  1. D1 ;decode e signature for version 1
  1. S RECORD=$G(^PRCS(410,LEVEL0,0))
  1. S RECORD1=$G(^PRCS(410,LEVEL0,1))
  1. S RECORD3=$G(^PRCS(410,LEVEL0,3))
  1. S RECORD4=$G(^PRCS(410,LEVEL0,4))
  1. S RECORD10=$G(^PRCS(410,LEVEL0,10))
  1. S CHECKSUM=$$SUM^PRCUESIG(LEVEL0_"^"_$$STRING(RECORD,RECORD1,RECORD3,RECORD4,RECORD7,RECORD10))
  1. QUIT $$DECODE^PRCUESIG(SIG,PERSON,CHECKSUM)
  1. ENCODE(LEVEL0,USERNUM,Y) ;Encode e signature for version 1 only
  1. ;Parameter passing entry point
  1. NEW SIGBLOCK,CHECKSUM,OLDUSER,HLDCP
  1. NEW RECORD,RECORD1,RECORD3,RECORD4,RECORD7,RECORD71,RECORD10
  1. ;get record
  1. S USERNUM=+USERNUM
  1. I USERNUM=0 S Y=-3 QUIT ;-3 no user num available
  1. S SIGBLOCK=$P($G(^VA(200,USERNUM,20)),"^",2)
  1. I SIGBLOCK="" S Y=-2 QUIT ;-2 no sigblock in file 200
  1. S RECORD=$G(^PRCS(410,LEVEL0,0))
  1. S RECORD1=$G(^PRCS(410,LEVEL0,1))
  1. S RECORD3=$G(^PRCS(410,LEVEL0,3))
  1. S RECORD4=$G(^PRCS(410,LEVEL0,4))
  1. S RECORD7=$G(^PRCS(410,LEVEL0,7))
  1. S RECORD71=$G(^PRCS(410,LEVEL0,7.1))
  1. S RECORD10=$G(^PRCS(410,LEVEL0,10))
  1. I RECORD="" S Y=-1 QUIT ;-1 no transaction record
  1. I $P(RECORD7,"^",9)'="" S Y=-4 QUIT ;-4 cannot re-sign record
  1. S OLDUSER=+$P(RECORD7,"^",8)
  1. I OLDUSER=0 S $P(RECORD7,"^",8)=USERNUM
  1. I OLDUSER>0 S USERNUM=OLDUSER
  1. ;PRC*5.1*120 will check FCP EDI switch and ALL/DELIVERY ORDER switch to recode record due to auto obligation
  1. I $P($G(XQY0),"^")'="PRCSENRB",$P($G(XQY0),"^")'="PRCSANTN",$P($G(XQY0),"^")'="PRCSRI GENERATE",$P($G(XQY0),"^")'="PRCSEDTD",$P($G(XQY0),"^")'="PRCSAPP" D
  1. . I $G(PRCHDELV),'$G(AUTOOBLG) Q
  1. . S HLDCP=""
  1. . I $P(RECORD4,"^",4)="" S $P(RECORD4,"^",4)=$P($$NOW^PRCUESIG,".",1),^PRCS(410,LEVEL0,4)=RECORD4
  1. . S:$D(PRCB("CP")) HLDCP=PRCB("CP")
  1. . S:$D(PRC("CP")) HLDCP=PRC("CP")
  1. . I $D(PRC("CP")) I ($P($G(^PRC(420,+PRC("SITE"),1,+PRC("CP"),6)),U)="Y")!($P($G(^PRC(420,+PRC("SITE"),3)),U)="Y")!($P($G(^PRC(420,+PRC("SITE"),3)),U,2)'="")!($P($G(^PRC(420,+PRC("SITE"),1,+PRC("CP"),6)),U,2)'="") D
  1. .. Q:$G(PRCHAMDA)=32
  1. .. D ENCODE^PRCSC2(LEVEL0,USERNUM)
  1. . K HLDCP
  1. S:$P(RECORD7,"^",7)="" $P(RECORD7,"^",7)=$$NOW^PRCUESIG
  1. S:$P(RECORD7,"^",10)="" $P(RECORD7,"^",10)=$$NOW^PRCUESIG
  1. S CHECKSUM=$$SUM^PRCUESIG(LEVEL0_"^"_$$STRING(RECORD,RECORD1,RECORD3,RECORD4,RECORD7,RECORD10))
  1. S $P(RECORD7,"^",9)=$$ENCODE^PRCUESIG(SIGBLOCK,USERNUM,CHECKSUM)
  1. S $P(RECORD71,"^",1,2)="1^"_$$SUM^PRCUESIG(SIGBLOCK)
  1. S ^PRCS(410,LEVEL0,7)=RECORD7
  1. S ^PRCS(410,LEVEL0,7.1)=RECORD71
  1. S Y=1 QUIT
  1. REMOVE(LEVEL0) ;Entry point to remove e signature from record
  1. ;NOT an extrinsic function
  1. NEW RECORD7,RECORD71
  1. S RECORD7=$G(^PRCS(410,LEVEL0,7))
  1. S RECORD71=$G(^PRCS(410,LEVEL0,7.1))
  1. S $P(RECORD7,"^",8,10)="^^"
  1. S $P(RECORD71,"^",2)=""
  1. S ^PRCS(410,LEVEL0,7)=RECORD7
  1. S ^PRCS(410,LEVEL0,7.1)=RECORD71
  1. QUIT
  1. VERIFY(LEVEL0) ;extrinsic function to verify version 1 signature. Returns 1 if valid, 0 if not valid
  1. NEW RECORD71,VERSION,SIGBLOCK
  1. ;get record variables
  1. S RECORD71=$G(^PRCS(410,LEVEL0,7.1))
  1. S VERSION=$P(RECORD71,"^",1),SIGBLOCK=$P(RECORD71,"^",2)
  1. I VERSION_SIGBLOCK="" QUIT 1
  1. QUIT ($$SUM^PRCUESIG($$DECODE(LEVEL0))=SIGBLOCK)
  1. STRING(X,X1,X3,X4,X7,X10) ;Build String of critical fields
  1. NEW RECORD,RECORD7,RECORD71,SIGBLOCK,CHECKSUM,OLDUSER
  1. Q $P(X,"^",1)_"^"_$P(X1,"^",1)_"^"_$P(X3,"^",1)_"^"_$P(X4,"^",1)_"^"_$P(X7,"^",10)_"^"_$P(X10,"^",1)