The Tor Browser / file comparison
comparison: layout/style/test/ccd.sjs
layout/style/test/ccd.sjs
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
equal
deleted
inserted
replaced
| -1:000000000000 | 0:4c2464800a08 |
|---|---|
| 1 const DEBUG_all_valid = false; | |
| 2 const DEBUG_all_stub = false; | |
| 3 | |
| 4 function handleRequest(request, response) | |
| 5 { | |
| 6 // Decode the query string to know what test we're doing. | |
| 7 | |
| 8 // character 1: 'I' = text/css response, 'J' = text/html response | |
| 9 let responseCSS = (request.queryString[0] == 'I'); | |
| 10 | |
| 11 // character 2: redirection type - we only care about whether we're | |
| 12 // ultimately same-origin with the requesting document ('A', 'D') or | |
| 13 // not ('B', 'C'). | |
| 14 let sameOrigin = (request.queryString[1] == 'A' || | |
| 15 request.queryString[1] == 'D'); | |
| 16 | |
| 17 // character 3: '1' = syntactically valid, '2' = invalid, '3' = http error | |
| 18 let malformed = (request.queryString[2] == '2'); | |
| 19 let httpError = (request.queryString[2] == '3'); | |
| 20 | |
| 21 // character 4: loaded with <link> or @import (no action required) | |
| 22 | |
| 23 // character 5: loading document mode: 'q' = quirks, 's' = standards | |
| 24 let quirksMode = (request.queryString[4] == 'q'); | |
| 25 | |
| 26 // Our response contains a CSS rule that selects an element whose | |
| 27 // ID is the first four characters of the query string. | |
| 28 let selector = '#' + request.queryString.substring(0,4); | |
| 29 | |
| 30 // "Malformed" responses wrap the CSS rule in the construct | |
| 31 // <html>{} ... </html> | |
| 32 // This mimics what the CSS parser might see if an actual HTML | |
| 33 // document were fed to it. Because CSS parsers recover from | |
| 34 // errors by skipping tokens until they find something | |
| 35 // recognizable, a style rule appearing where I wrote '...' above | |
| 36 // will be honored! | |
| 37 let leader = (malformed ? '<html>{}' : ''); | |
| 38 let trailer = (malformed ? '</html>' : ''); | |
| 39 | |
| 40 // Standards mode documents will ignore the style sheet if it is being | |
| 41 // served as text/html (regardless of its contents). Quirks mode | |
| 42 // documents will ignore the style sheet if it is being served as | |
| 43 // text/html _and_ it is not same-origin. Regardless, style sheets | |
| 44 // are ignored if they come as the body of an HTTP error response. | |
| 45 // | |
| 46 // Style sheets that should be ignored paint the element red; those | |
| 47 // that should be honored paint it lime. | |
| 48 let color = ((responseCSS || (quirksMode && sameOrigin)) && !httpError | |
| 49 ? 'lime' : 'red'); | |
| 50 | |
| 51 // For debugging the test itself, we have the capacity to make every style | |
| 52 // sheet well-formed, or every style sheet do nothing. | |
| 53 if (DEBUG_all_valid) { | |
| 54 // In this mode, every test chip should turn blue. | |
| 55 response.setHeader('Content-Type', 'text/css'); | |
| 56 response.write(selector + '{background-color:blue}\n'); | |
| 57 } else if (DEBUG_all_stub) { | |
| 58 // In this mode, every test chip for a case where the true test | |
| 59 // sheet would be honored, should turn red. | |
| 60 response.setHeader('Content-Type', 'text/css'); | |
| 61 response.write(selector + '{}\n'); | |
| 62 } else { | |
| 63 // Normal operation. | |
| 64 if (httpError) | |
| 65 response.setStatusLine(request.httpVersion, 500, | |
| 66 "Internal Server Error"); | |
| 67 response.setHeader('Content-Type', | |
| 68 responseCSS ? 'text/css' : 'text/html'); | |
| 69 response.write(leader + selector + | |
| 70 '{background-color:' + color + '}' + | |
| 71 trailer + '\n'); | |
| 72 } | |
| 73 } |
