Revision ecb78704
Added by jahoti about 2 years ago
| common/misc.js | ||
|---|---|---|
| 104 | 104 |
return !!/^(chrome(-extension)?|moz-extension):\/\/|^about:/i.exec(url); |
| 105 | 105 |
} |
| 106 | 106 |
|
| 107 |
/* Sign a given policy for a given time */ |
|
| 108 |
function sign_policy(policy, now, hours_offset) {
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let time = Math.floor(now / 3600000) + (hours_offset || 0); |
|
| 110 |
return gen_unique(time + policy); |
|
| 111 |
} |
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|
|
| 107 | 113 |
/* Extract any policy present in the URL */ |
| 108 | 114 |
function url_extract_policy(url) |
| 109 | 115 |
{
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| 110 |
var policy_string; |
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| 111 | 116 |
const targets = url_extract_target(url); |
| 117 |
if (!targets.target) |
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return targets; |
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|
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/* %7B -> { */
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| 121 |
const index = targets.target.indexOf('%7B');
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if (index === -1) |
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return targets; |
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| 124 |
|
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const now = new Date(); |
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const sig = targets.target.substring(1, index); |
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const policy = targets.target.substring(index); |
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if ( |
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sig !== sign_policy(policy, now) && |
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sig !== sign_policy(policy, now, -1) && |
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sig !== sign_policy(policy, now, 1) |
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) |
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return targets; |
|
| 112 | 134 |
|
| 113 | 135 |
try {
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policy_string = targets.target.substring(65);
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targets.policy = JSON.parse(decodeURIComponent(policy_string));
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targets.policy = JSON.parse(decodeURIComponent(policy));
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targets.current = targets.policy.base_url === targets.base_url;
|
|
| 116 | 138 |
} catch (e) {
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| 117 | 139 |
/* TODO what should happen here? */ |
| 118 | 140 |
} |
| 119 |
|
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| 120 |
if (targets.policy) {
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const sig = gen_unique(policy_string + targets.base_url); |
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targets.valid_sig = targets.target.substring(1, 65) === sig; |
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} |
|
| 124 | 141 |
|
| 125 | 142 |
return targets; |
| 126 | 143 |
} |
| ... | ... | |
| 132 | 149 |
* EXPORT url_item |
| 133 | 150 |
* EXPORT url_extract_target |
| 134 | 151 |
* EXPORT url_extract_policy |
| 152 |
* EXPORT sign_policy |
|
| 135 | 153 |
* EXPORT csp_rule |
| 136 | 154 |
* EXPORT nice_name |
| 137 | 155 |
* EXPORT open_in_settings |
Also available in: Unified diff
Streamline and harden unique values/settings
The base URL is now included in the settings. The unique value no longer uses
it directly, as it is included by virtue of the settings; however, the number
of full hours since the epoch (UTC) is now incorporated.