1 | var _ = require('lodash');
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2 | var url = require('url');
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3 | var isGlob = require('is-glob');
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4 | var micromatch = require('micromatch');
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5 |
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6 | module.exports = {
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7 | match: matchContext
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8 | };
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9 |
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10 | function matchContext(context, uri, req) {
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11 |
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12 |
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13 | if (isStringPath(context)) {
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14 | return matchSingleStringPath(context, uri);
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15 | }
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16 |
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17 |
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18 | if (isGlobPath(context)) {
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19 | return matchSingleGlobPath(context, uri);
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20 | }
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21 |
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22 |
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23 | if (Array.isArray(context)) {
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24 | if (context.every(isStringPath)) {
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25 | return matchMultiPath(context, uri);
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26 | }
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27 | if (context.every(isGlobPath)) {
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28 | return matchMultiGlobPath(context, uri);
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29 | }
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30 |
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31 | throw new Error('[HPM] Invalid context. Expecting something like: ["/api", "/ajax"] or ["/api/**", "!**.html"]');
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32 | }
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33 |
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34 |
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35 | if (_.isFunction(context)) {
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36 | var path = getUrlPath(uri);
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37 | return context(path, req);
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38 | }
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39 |
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40 | throw new Error('[HPM] Invalid context. Expecting something like: "/api" or ["/api", "/ajax"]');
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41 | }
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42 |
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43 |
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44 |
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45 |
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46 |
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47 |
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48 | function matchSingleStringPath(context, uri) {
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49 | var path = getUrlPath(uri);
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50 | return path.indexOf(context) === 0;
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51 | }
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52 |
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53 | function matchSingleGlobPath(pattern, uri) {
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54 | var path = getUrlPath(uri);
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55 | var matches = micromatch(path, pattern);
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56 | return matches && (matches.length > 0);
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57 | }
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58 |
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59 | function matchMultiGlobPath(patternList, uri) {
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60 | return matchSingleGlobPath(patternList, uri);
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61 | }
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62 |
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63 |
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64 |
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65 |
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66 |
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67 |
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68 | function matchMultiPath(contextList, uri) {
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69 | for (var i = 0; i < contextList.length; i++) {
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70 | var context = contextList[i];
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71 | if (matchSingleStringPath(context, uri)) {
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72 | return true;
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73 | }
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74 | }
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75 | return false;
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76 | }
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77 |
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78 | function getUrlPath(uri) {
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79 | return uri && url.parse(uri).path;
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80 | }
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81 |
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82 | function isStringPath(context) {
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83 | return _.isString(context) && !isGlob(context);
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84 | }
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85 |
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86 | function isGlobPath(context) {
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87 | return isGlob(context);
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88 | }
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