| | 37 | |
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| | 38 | myDump("HEY!"); |
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| | 39 | |
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| | 40 | // An observer which examines incoming responses from the |
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| | 41 | // server. If that response indicates that we should act |
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| | 42 | // in overhaul mode, this takes the appropriate actions |
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| | 43 | // with the rest of the overhaul code. |
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| | 44 | // |
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| | 45 | // IMPLEMENTS: nsIObserver |
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| | 46 | // OBSERVES: http-on-examine-response |
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| | 47 | // |
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| | 48 | var httpResponseReader = { |
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| | 49 | url : gURLBar.value, |
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| | 50 | |
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| | 51 | observe: function(subject,topic,data) { |
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| | 52 | var filename = this.url.substring(this.url.lastIndexOf('/'), |
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| | 53 | this.url.length); |
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| | 54 | myDump(filename); |
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| | 55 | |
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| | 56 | // |
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| | 57 | // Make sure we observe the event we think we should. |
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| | 58 | // |
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| | 59 | if ( topic != "http-on-examine-response" ) |
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| | 60 | throw "OVERHAUL ERROR: Object 'httpResponseReader' was asked" |
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| | 61 | + " to observe an event of type: " + topic |
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| | 62 | + " when it only accepts type http-on-examine-response"; |
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| | 63 | |
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| | 64 | // |
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| | 65 | // Check for an overhaul response header |
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| | 66 | // |
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| | 67 | subject = subject.QueryInterface(Components.interfaces.nsIHttpChannel); |
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| | 68 | try { |
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| | 69 | var hosts_header = subject.getResponseHeader("Overhaul-hosts"); |
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| | 70 | } |
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| | 71 | catch( e ) { |
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| | 72 | myDump("Server did not request Overhaul."); |
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| | 73 | return; |
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| | 74 | } |
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| | 75 | |
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| | 76 | // |
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| | 77 | // Organize Information and Instantiate a Handler |
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| | 78 | // |
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| | 79 | myDump("Entering Overhaul mode..."); |
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| | 80 | |
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| | 81 | var md5_header = subject.getResponseHeader("Overhaul-md5sum"); |
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| | 82 | var md5_list = parse_md5s(md5_header); |
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| | 83 | |
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| | 84 | var chunks_header = subject.getResponseHeader("Overhaul-chunk"); |
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| | 85 | var chunks_held = parse_chunks_held(chunks_header, md5_header.length); |
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| | 86 | |
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| | 87 | var hosts = parse_hosts(hosts_header); |
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| | 88 | |
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| | 89 | var thisHandler = new overhaul_handler(hosts.ipStringList, |
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| | 90 | hosts.portStringList, url, filename, chunks_held, md5_list); |
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| | 91 | } |
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| | 92 | }; |
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| | 93 | |
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| | 94 | myDump("Howdy!"); |
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| | 95 | |
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| | 96 | // |
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| | 97 | // Register the observer |
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| | 98 | // |
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| | 99 | var observerService = Components.classes["@mozilla.org/observer-service;1"] |
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| | 100 | .getService(Components.interfaces.nsIObserverService); |
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| | 101 | observerService.addObserver(nonsense, |
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| | 102 | "http-on-examine-response", false); |
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| | 103 | |
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| | 104 | observerService.addObserver(httpResponseReader, |
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| | 105 | "http-on-examine-response", false); |
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| 35 | | |
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| 36 | | |
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| 37 | | |
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| 38 | | // |
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| 39 | | // An observer which examines incoming responses from the |
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| 40 | | // server. If that response indicates that we should act |
|---|
| 41 | | // in overhaul mode, this takes the appropriate actions |
|---|
| 42 | | // with the rest of the overhaul code. |
|---|
| 43 | | // |
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| 44 | | // IMPLEMENTS: nsIObserver |
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| 45 | | // OBSERVES: http-on-examine-response |
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| 46 | | // |
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| 47 | | var httpResponseReader = { |
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| 48 | | observe: function(subject,topic,data) { |
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| 49 | | // |
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| 50 | | // Make sure we observe the event we think we should. |
|---|
| 51 | | // |
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| 52 | | if ( topic != "http-on-examine-response" ) |
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| 53 | | throw "OVERHAUL ERROR: Object 'httpResponseReader' was asked" |
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| 54 | | + " to observe an event of type: " + topic |
|---|
| 55 | | + " when it only accepts type http-on-examine-response"; |
|---|
| 56 | | |
|---|
| 57 | | // |
|---|
| 58 | | // Check for an overhaul response header |
|---|
| 59 | | // |
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| 60 | | subject = subject.QueryInterface(Components.interfaces.nsIHttpChannel); |
|---|
| 61 | | try { |
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| 62 | | var hosts_header = subject.getResponseHeader("Overhaul-hosts"); |
|---|
| 63 | | } |
|---|
| 64 | | catch( e ) { |
|---|
| 65 | | myDump("Server did not request Overhaul."); |
|---|
| 66 | | return; |
|---|
| 67 | | } |
|---|
| 68 | | |
|---|
| 69 | | // |
|---|
| 70 | | // Organize Information and Instantiate a Handler |
|---|
| 71 | | // |
|---|
| 72 | | myDump("Entering Overhaul mode..."); |
|---|
| 73 | | |
|---|
| 74 | | var md5_header = subject.getResponseHeader("Overhaul-md5sum"); |
|---|
| 75 | | var md5_list = parse_md5s(md5_header); |
|---|
| 76 | | |
|---|
| 77 | | var chunks_header = subject.getResponseHeader("Overhaul-chunk"); |
|---|
| 78 | | var chunks_held = parse_chunks_held(chunks_header, md5_header.length); |
|---|
| 79 | | |
|---|
| 80 | | var hosts = parse_hosts(hosts_header); |
|---|
| 81 | | |
|---|
| 82 | | var thisHandler = new overhaul_handler(hosts.ipStringList, |
|---|
| 83 | | hosts.portStringList, null, chunks_held, md5_list); |
|---|
| 84 | | } |
|---|
| 85 | | }; |
|---|