# http.tcl --
#
#	Client-side HTTP for GET, POST, and HEAD commands. These routines can
#	be used in untrusted code that uses the Safesock security policy.
#	These procedures use a callback interface to avoid using vwait, which
#	is not defined in the safe base.
#
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.

package require Tcl 8.6-
# Keep this in sync with pkgIndex.tcl and with the install directories in
# Makefiles
package provide http 2.9.3

namespace eval http {
    # Allow resourcing to not clobber existing data

    variable http
    if {![info exists http]} {
	array set http {

	totalsize	0
	querylength	0
	queryoffset	0
	type		text/html
	body		{}
	status		""
	http		""
	connection	keep-alive
    }
    set state(-keepalive) $defaultKeepalive
    set state(-strict) $strict
    # These flags have their types verified [Bug 811170]
    array set type {
	-binary		boolean
	-blocksize	integer

		# is handled by socketWrQueue later in this command.
		set reusing 1
		set sock $socketMapping($state(socketinfo))
		Log "reusing socket $sock for $state(socketinfo) - token $token"

	    }
	    # Do not automatically close the connection socket.
	    set state(connection) keep-alive
	}
    }

    if {$reusing} {
	# Define state(tmpState) and state(tmpOpenCmd) for use
	# by http::ReplayIfDead if the persistent connection has died.
	set state(tmpState) [array get state]

			}
			transfer-encoding {
			    set state(transfer) \
				    [string trim [string tolower $value]]
			}
			proxy-connection -
			connection {
			    set tmpHeader [string trim [string tolower $value]]
			    # RFC 7230 Section 6.1 states that a comma-separated
			    # list is an acceptable value.  According to
			    # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Connection
			    # any comma-separated list implies keep-alive, but I
			    # don't see this in the RFC so we'll play safe and
			    # scan any list for "close".
			    if {$tmpHeader in {close keep-alive}} {
				# The common cases, continue.
			    } elseif {[string first , $tmpHeader] == -1} {
				# Not a comma-separated list, not "close",
				# therefore "keep-alive".
				set tmpHeader keep-alive
			    } else {
				set tmpHeader keep-alive
				set tmpCsl [split $tmpHeader ,]
				# Optional whitespace either side of separator.
				foreach el $tmpCsl {
				    if {[string trim $el] eq {close}} {
					set tmpHeader close
					break
				    }
			        }
			    }
			    set state(connection) $tmpHeader

			}
		    }
		    lappend state(meta) $key [string trim $value]
		}
	    }
	} else {
	    # Now reading body

if {![package vsatisfies [package provide Tcl] 8.6-]} {return}
package ifneeded http 2.9.3 [list tclPkgSetup $dir http 2.9.3 {{http.tcl source {::http::config ::http::formatQuery ::http::geturl ::http::reset ::http::wait ::http::register ::http::unregister ::http::mapReply}}}]

	    $(INSTALL_DATA) $$i "$(SCRIPT_INSTALL_DIR)"; \
	    done;
	@echo "Installing package http1.0 files to $(SCRIPT_INSTALL_DIR)/http1.0/";
	@for i in $(TOP_DIR)/library/http1.0/*.tcl ; \
	    do \
	    $(INSTALL_DATA) $$i "$(SCRIPT_INSTALL_DIR)"/http1.0; \
	    done;
	@echo "Installing package http 2.9.3 as a Tcl Module";
	@$(INSTALL_DATA) $(TOP_DIR)/library/http/http.tcl "$(SCRIPT_INSTALL_DIR)"/../tcl8/8.6/http-2.9.2.tm;
	@echo "Installing package opt0.4 files to $(SCRIPT_INSTALL_DIR)/opt0.4/";
	@for i in $(TOP_DIR)/library/opt/*.tcl ; \
	    do \
	    $(INSTALL_DATA) $$i "$(SCRIPT_INSTALL_DIR)"/opt0.4; \
	    done;
	@echo "Installing package msgcat 1.6.1 as a Tcl Module";

	    $(COPY) "$$i" "$(SCRIPT_INSTALL_DIR)"; \
	    done;
	@echo "Installing library http1.0 directory";
	@for j in $(ROOT_DIR)/library/http1.0/*.tcl; \
	    do \
	    $(COPY) "$$j" "$(SCRIPT_INSTALL_DIR)/http1.0"; \
	    done;
	@echo "Installing package http 2.9.3 as a Tcl Module";
	@$(COPY) $(ROOT_DIR)/library/http/http.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.6/http-2.9.2.tm;
	@echo "Installing library opt0.4 directory";
	@for j in $(ROOT_DIR)/library/opt/*.tcl; \
	    do \
	    $(COPY) "$$j" "$(SCRIPT_INSTALL_DIR)/opt0.4"; \
	    done;
	@echo "Installing package msgcat 1.6.1 as a Tcl Module";